Calculating a percentage of a number is a fundamental mathematical operation with widespread practical applications. Determining ninety percent of one hundred fifty involves multiplying the decimal equivalent of ninety percent (0.90) by one hundred fifty. This calculation yields a result representing a substantial portion of the original value.
Understanding how to compute percentages is essential for tasks such as calculating discounts, determining sales tax, and analyzing financial data. The ability to quickly and accurately find a percentage of a whole simplifies decision-making in both personal and professional contexts. Furthermore, this skill is applicable across various disciplines, including retail, finance, and economics, contributing to efficient resource management and informed strategic planning.