Finding the Fourth Proportional to 159,167.67, 219,651.49 and 87,553.14
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Solution
The fourth proportional to 159,167.67, 219,651.49 and 87,553.14 is: 120,823.39
Step by Step Solution
- Step 1: Write the proportion equation
159,167.67 : 219,651.49 = 87,553.14 : x - Step 2: Convert to fraction form
159,167.67/219,651.49 = 87,553.14/x - Step 3: Cross multiply
159,167.67x = 219,651.49 × 87,553.14 - Step 4: Simplify right side
159,167.67x = 19,231,177,655.18 - Step 5: Solve for x
x = 19,231,177,655.18/159,167.67 - Step 6: Final answer
x = 120,823.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.