Home / 126,034.20-173,922.66-69,445.80

Finding the Fourth Proportional to 126,034.20, 173,922.66 and 69,445.80

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Solution

The fourth proportional to 126,034.20, 173,922.66 and 69,445.80 is: 95,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,034.20 : 173,922.66 = 69,445.80 : x
  2. Step 2: Convert to fraction form
    126,034.20/173,922.66 = 69,445.80/x
  3. Step 3: Cross multiply
    126,034.20x = 173,922.66 × 69,445.80
  4. Step 4: Simplify right side
    126,034.20x = 12,078,198,261.83
  5. Step 5: Solve for x
    x = 12,078,198,261.83/126,034.20
  6. Step 6: Final answer
    x = 95,832.70

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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.