Home / 392,147.12-588,165.10-125,872.58

Finding the Fourth Proportional to 392,147.12, 588,165.10 and 125,872.58

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Solution

The fourth proportional to 392,147.12, 588,165.10 and 125,872.58 is: 188,791.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,147.12 : 588,165.10 = 125,872.58 : x
  2. Step 2: Convert to fraction form
    392,147.12/588,165.10 = 125,872.58/x
  3. Step 3: Cross multiply
    392,147.12x = 588,165.10 × 125,872.58
  4. Step 4: Simplify right side
    392,147.12x = 74,033,859,758.69
  5. Step 5: Solve for x
    x = 74,033,859,758.69/392,147.12
  6. Step 6: Final answer
    x = 188,791.03

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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.