Finding the Fourth Proportional to 125,438.76, 173,105.24 and 68,848.92
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Solution
The fourth proportional to 125,438.76, 173,105.24 and 68,848.92 is: 95,011.37
Step by Step Solution
- Step 1: Write the proportion equation
125,438.76 : 173,105.24 = 68,848.92 : x - Step 2: Convert to fraction form
125,438.76/173,105.24 = 68,848.92/x - Step 3: Cross multiply
125,438.76x = 173,105.24 × 68,848.92 - Step 4: Simplify right side
125,438.76x = 11,918,108,476.10 - Step 5: Solve for x
x = 11,918,108,476.10/125,438.76 - Step 6: Final answer
x = 95,011.37
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1.5x scale
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.