Finding the Fourth Proportional to 125,634.18, 173,375.85 and 68,273.97
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Solution
The fourth proportional to 125,634.18, 173,375.85 and 68,273.97 is: 94,218.45
Step by Step Solution
- Step 1: Write the proportion equation
125,634.18 : 173,375.85 = 68,273.97 : x - Step 2: Convert to fraction form
125,634.18/173,375.85 = 68,273.97/x - Step 3: Cross multiply
125,634.18x = 173,375.85 × 68,273.97 - Step 4: Simplify right side
125,634.18x = 11,837,057,581.62 - Step 5: Solve for x
x = 11,837,057,581.62/125,634.18 - Step 6: Final answer
x = 94,218.45
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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.