Finding the Fourth Proportional to 125,507.75, 173,200.68 and 68,146.79
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Solution
The fourth proportional to 125,507.75, 173,200.68 and 68,146.79 is: 94,042.56
Step by Step Solution
- Step 1: Write the proportion equation
125,507.75 : 173,200.68 = 68,146.79 : x - Step 2: Convert to fraction form
125,507.75/173,200.68 = 68,146.79/x - Step 3: Cross multiply
125,507.75x = 173,200.68 × 68,146.79 - Step 4: Simplify right side
125,507.75x = 11,803,070,963.19 - Step 5: Solve for x
x = 11,803,070,963.19/125,507.75 - Step 6: Final answer
x = 94,042.56
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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.