Finding the Fourth Proportional to 125,107.22, 172,650.84 and 71,397.23
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Solution
The fourth proportional to 125,107.22, 172,650.84 and 71,397.23 is: 98,529.82
Step by Step Solution
- Step 1: Write the proportion equation
125,107.22 : 172,650.84 = 71,397.23 : x - Step 2: Convert to fraction form
125,107.22/172,650.84 = 71,397.23/x - Step 3: Cross multiply
125,107.22x = 172,650.84 × 71,397.23 - Step 4: Simplify right side
125,107.22x = 12,326,790,869.92 - Step 5: Solve for x
x = 12,326,790,869.92/125,107.22 - Step 6: Final answer
x = 98,529.82
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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.