Home / 126,327.38-174,334.95-71,876.54

Finding the Fourth Proportional to 126,327.38, 174,334.95 and 71,876.54

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Solution

The fourth proportional to 126,327.38, 174,334.95 and 71,876.54 is: 99,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,327.38 : 174,334.95 = 71,876.54 : x
  2. Step 2: Convert to fraction form
    126,327.38/174,334.95 = 71,876.54/x
  3. Step 3: Cross multiply
    126,327.38x = 174,334.95 × 71,876.54
  4. Step 4: Simplify right side
    126,327.38x = 12,530,593,442.91
  5. Step 5: Solve for x
    x = 12,530,593,442.91/126,327.38
  6. Step 6: Final answer
    x = 99,191.43

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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.