Home / 129,961.52-194,949.24-41,221.76

Finding the Fourth Proportional to 129,961.52, 194,949.24 and 41,221.76

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Solution

The fourth proportional to 129,961.52, 194,949.24 and 41,221.76 is: 61,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,961.52 : 194,949.24 = 41,221.76 : x
  2. Step 2: Convert to fraction form
    129,961.52/194,949.24 = 41,221.76/x
  3. Step 3: Cross multiply
    129,961.52x = 194,949.24 × 41,221.76
  4. Step 4: Simplify right side
    129,961.52x = 8,036,150,783.46
  5. Step 5: Solve for x
    x = 8,036,150,783.46/129,961.52
  6. Step 6: Final answer
    x = 61,834.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.