Finding the Fourth Proportional to 125,251.68, 172,854.28 and 71,554.12
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Solution
The fourth proportional to 125,251.68, 172,854.28 and 71,554.12 is: 98,748.66
Step by Step Solution
- Step 1: Write the proportion equation
125,251.68 : 172,854.28 = 71,554.12 : x - Step 2: Convert to fraction form
125,251.68/172,854.28 = 71,554.12/x - Step 3: Cross multiply
125,251.68x = 172,854.28 × 71,554.12 - Step 4: Simplify right side
125,251.68x = 12,368,435,893.63 - Step 5: Solve for x
x = 12,368,435,893.63/125,251.68 - Step 6: Final answer
x = 98,748.66
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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.