Finding the Fourth Proportional to 125,281.08, 172,892.88 and 68,694.48
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Solution
The fourth proportional to 125,281.08, 172,892.88 and 68,694.48 is: 94,801.12
Step by Step Solution
- Step 1: Write the proportion equation
125,281.08 : 172,892.88 = 68,694.48 : x - Step 2: Convert to fraction form
125,281.08/172,892.88 = 68,694.48/x - Step 3: Cross multiply
125,281.08x = 172,892.88 × 68,694.48 - Step 4: Simplify right side
125,281.08x = 11,876,786,487.30 - Step 5: Solve for x
x = 11,876,786,487.30/125,281.08 - Step 6: Final answer
x = 94,801.12
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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.