Home / 129,469.30-194,126.18-50,620.66

Finding the Fourth Proportional to 129,469.30, 194,126.18 and 50,620.66

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Solution

The fourth proportional to 129,469.30, 194,126.18 and 50,620.66 is: 75,900.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,469.30 : 194,126.18 = 50,620.66 : x
  2. Step 2: Convert to fraction form
    129,469.30/194,126.18 = 50,620.66/x
  3. Step 3: Cross multiply
    129,469.30x = 194,126.18 × 50,620.66
  4. Step 4: Simplify right side
    129,469.30x = 9,826,795,354.88
  5. Step 5: Solve for x
    x = 9,826,795,354.88/129,469.30
  6. Step 6: Final answer
    x = 75,900.58

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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.