Finding the Fourth Proportional to 125,193.24, 172,932.30 and 93,306.78
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Solution
The fourth proportional to 125,193.24, 172,932.30 and 93,306.78 is: 128,886.80
Step by Step Solution
- Step 1: Write the proportion equation
125,193.24 : 172,932.30 = 93,306.78 : x - Step 2: Convert to fraction form
125,193.24/172,932.30 = 93,306.78/x - Step 3: Cross multiply
125,193.24x = 172,932.30 × 93,306.78 - Step 4: Simplify right side
125,193.24x = 16,135,756,070.99 - Step 5: Solve for x
x = 16,135,756,070.99/125,193.24 - Step 6: Final answer
x = 128,886.80
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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.