Finding the Fourth Proportional to 125,134.59, 172,690.04 and 68,545.97
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Solution
The fourth proportional to 125,134.59, 172,690.04 and 68,545.97 is: 94,595.80
Step by Step Solution
- Step 1: Write the proportion equation
125,134.59 : 172,690.04 = 68,545.97 : x - Step 2: Convert to fraction form
125,134.59/172,690.04 = 68,545.97/x - Step 3: Cross multiply
125,134.59x = 172,690.04 × 68,545.97 - Step 4: Simplify right side
125,134.59x = 11,837,206,301.14 - Step 5: Solve for x
x = 11,837,206,301.14/125,134.59 - Step 6: Final answer
x = 94,595.80
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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.