Finding the Fourth Proportional to 125,838.24, 173,654.52 and 68,475.61
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Solution
The fourth proportional to 125,838.24, 173,654.52 and 68,475.61 is: 94,495.12
Step by Step Solution
- Step 1: Write the proportion equation
125,838.24 : 173,654.52 = 68,475.61 : x - Step 2: Convert to fraction form
125,838.24/173,654.52 = 68,475.61/x - Step 3: Cross multiply
125,838.24x = 173,654.52 × 68,475.61 - Step 4: Simplify right side
125,838.24x = 11,891,099,186.26 - Step 5: Solve for x
x = 11,891,099,186.26/125,838.24 - Step 6: Final answer
x = 94,495.12
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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.