Finding the Fourth Proportional to 135,057.26, 202,713.01 and 68,545.13
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Solution
The fourth proportional to 135,057.26, 202,713.01 and 68,545.13 is: 102,882.20
Step by Step Solution
- Step 1: Write the proportion equation
135,057.26 : 202,713.01 = 68,545.13 : x - Step 2: Convert to fraction form
135,057.26/202,713.01 = 68,545.13/x - Step 3: Cross multiply
135,057.26x = 202,713.01 × 68,545.13 - Step 4: Simplify right side
135,057.26x = 13,894,988,823.78 - Step 5: Solve for x
x = 13,894,988,823.78/135,057.26 - Step 6: Final answer
x = 102,882.20
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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.