Finding the Fourth Proportional to 134,972.97, 186,264.11 and 74,545.15
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Solution
The fourth proportional to 134,972.97, 186,264.11 and 74,545.15 is: 102,873.09
Step by Step Solution
- Step 1: Write the proportion equation
134,972.97 : 186,264.11 = 74,545.15 : x - Step 2: Convert to fraction form
134,972.97/186,264.11 = 74,545.15/x - Step 3: Cross multiply
134,972.97x = 186,264.11 × 74,545.15 - Step 4: Simplify right side
134,972.97x = 13,885,086,019.57 - Step 5: Solve for x
x = 13,885,086,019.57/134,972.97 - Step 6: Final answer
x = 102,873.09
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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.