Home / 234,154.53-323,133.18-126,724.56

Finding the Fourth Proportional to 234,154.53, 323,133.18 and 126,724.56

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Solution

The fourth proportional to 234,154.53, 323,133.18 and 126,724.56 is: 174,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,154.53 : 323,133.18 = 126,724.56 : x
  2. Step 2: Convert to fraction form
    234,154.53/323,133.18 = 126,724.56/x
  3. Step 3: Cross multiply
    234,154.53x = 323,133.18 × 126,724.56
  4. Step 4: Simplify right side
    234,154.53x = 40,948,910,056.90
  5. Step 5: Solve for x
    x = 40,948,910,056.90/234,154.53
  6. Step 6: Final answer
    x = 174,879.85

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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.