Finding the Fourth Proportional to 81,160.26, 121,746.49 and 24,229.65
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Solution
The fourth proportional to 81,160.26, 121,746.49 and 24,229.65 is: 36,346.30
Step by Step Solution
- Step 1: Write the proportion equation
81,160.26 : 121,746.49 = 24,229.65 : x - Step 2: Convert to fraction form
81,160.26/121,746.49 = 24,229.65/x - Step 3: Cross multiply
81,160.26x = 121,746.49 × 24,229.65 - Step 4: Simplify right side
81,160.26x = 2,949,874,841.43 - Step 5: Solve for x
x = 2,949,874,841.43/81,160.26 - Step 6: Final answer
x = 36,346.30
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1.5x scale
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.