Finding the Fourth Proportional to 132,542.19, 198,877.07 and 65,988.14
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Solution
The fourth proportional to 132,542.19, 198,877.07 and 65,988.14 is: 99,013.96
Step by Step Solution
- Step 1: Write the proportion equation
132,542.19 : 198,877.07 = 65,988.14 : x - Step 2: Convert to fraction form
132,542.19/198,877.07 = 65,988.14/x - Step 3: Cross multiply
132,542.19x = 198,877.07 × 65,988.14 - Step 4: Simplify right side
132,542.19x = 13,123,527,108.53 - Step 5: Solve for x
x = 13,123,527,108.53/132,542.19 - Step 6: Final answer
x = 99,013.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.