Home / 237,198.78-327,333.15-129,766.86

Finding the Fourth Proportional to 237,198.78, 327,333.15 and 129,766.86

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Solution

The fourth proportional to 237,198.78, 327,333.15 and 129,766.86 is: 179,077.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,198.78 : 327,333.15 = 129,766.86 : x
  2. Step 2: Convert to fraction form
    237,198.78/327,333.15 = 129,766.86/x
  3. Step 3: Cross multiply
    237,198.78x = 327,333.15 × 129,766.86
  4. Step 4: Simplify right side
    237,198.78x = 42,476,995,049.41
  5. Step 5: Solve for x
    x = 42,476,995,049.41/237,198.78
  6. Step 6: Final answer
    x = 179,077.63

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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.