Finding the Fourth Proportional to 125,445.11, 173,108.34 and 68,083.13
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Solution
The fourth proportional to 125,445.11, 173,108.34 and 68,083.13 is: 93,951.52
Step by Step Solution
- Step 1: Write the proportion equation
125,445.11 : 173,108.34 = 68,083.13 : x - Step 2: Convert to fraction form
125,445.11/173,108.34 = 68,083.13/x - Step 3: Cross multiply
125,445.11x = 173,108.34 × 68,083.13 - Step 4: Simplify right side
125,445.11x = 11,785,758,049.08 - Step 5: Solve for x
x = 11,785,758,049.08/125,445.11 - Step 6: Final answer
x = 93,951.52
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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.