Home / 126,617.13-174,753.17-72,933.27

Finding the Fourth Proportional to 126,617.13, 174,753.17 and 72,933.27

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Solution

The fourth proportional to 126,617.13, 174,753.17 and 72,933.27 is: 100,660.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,617.13 : 174,753.17 = 72,933.27 : x
  2. Step 2: Convert to fraction form
    126,617.13/174,753.17 = 72,933.27/x
  3. Step 3: Cross multiply
    126,617.13x = 174,753.17 × 72,933.27
  4. Step 4: Simplify right side
    126,617.13x = 12,745,319,766.30
  5. Step 5: Solve for x
    x = 12,745,319,766.30/126,617.13
  6. Step 6: Final answer
    x = 100,660.31

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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.