Home / 234,951.17-323,987.45-139,439.41

Finding the Fourth Proportional to 234,951.17, 323,987.45 and 139,439.41

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Solution

The fourth proportional to 234,951.17, 323,987.45 and 139,439.41 is: 192,280.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,951.17 : 323,987.45 = 139,439.41 : x
  2. Step 2: Convert to fraction form
    234,951.17/323,987.45 = 139,439.41/x
  3. Step 3: Cross multiply
    234,951.17x = 323,987.45 × 139,439.41
  4. Step 4: Simplify right side
    234,951.17x = 45,176,617,368.24
  5. Step 5: Solve for x
    x = 45,176,617,368.24/234,951.17
  6. Step 6: Final answer
    x = 192,280.88

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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.