Home / 231,764.20-347,387.10-131,972.20

Finding the Fourth Proportional to 231,764.20, 347,387.10 and 131,972.20

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Solution

The fourth proportional to 231,764.20, 347,387.10 and 131,972.20 is: 197,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,764.20 : 347,387.10 = 131,972.20 : x
  2. Step 2: Convert to fraction form
    231,764.20/347,387.10 = 131,972.20/x
  3. Step 3: Cross multiply
    231,764.20x = 347,387.10 × 131,972.20
  4. Step 4: Simplify right side
    231,764.20x = 45,845,439,838.62
  5. Step 5: Solve for x
    x = 45,845,439,838.62/231,764.20
  6. Step 6: Final answer
    x = 197,810.71

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1.5x scale

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.