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Finding the Fourth Proportional to 234,195.88, 323,191.12 and 126,765.88

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Solution

The fourth proportional to 234,195.88, 323,191.12 and 126,765.88 is: 174,937.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,195.88 : 323,191.12 = 126,765.88 : x
  2. Step 2: Convert to fraction form
    234,195.88/323,191.12 = 126,765.88/x
  3. Step 3: Cross multiply
    234,195.88x = 323,191.12 × 126,765.88
  4. Step 4: Simplify right side
    234,195.88x = 40,969,605,293.18
  5. Step 5: Solve for x
    x = 40,969,605,293.18/234,195.88
  6. Step 6: Final answer
    x = 174,937.35

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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.