Home / 234,159.40-323,140.92-126,729.41

Finding the Fourth Proportional to 234,159.40, 323,140.92 and 126,729.41

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Solution

The fourth proportional to 234,159.40, 323,140.92 and 126,729.41 is: 174,887.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,159.40 : 323,140.92 = 126,729.41 : x
  2. Step 2: Convert to fraction form
    234,159.40/323,140.92 = 126,729.41/x
  3. Step 3: Cross multiply
    234,159.40x = 323,140.92 × 126,729.41
  4. Step 4: Simplify right side
    234,159.40x = 40,951,456,522.75
  5. Step 5: Solve for x
    x = 40,951,456,522.75/234,159.40
  6. Step 6: Final answer
    x = 174,887.09

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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.