Home / 231,948.20-347,960.14-82,156.02

Finding the Fourth Proportional to 231,948.20, 347,960.14 and 82,156.02

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Solution

The fourth proportional to 231,948.20, 347,960.14 and 82,156.02 is: 123,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,948.20 : 347,960.14 = 82,156.02 : x
  2. Step 2: Convert to fraction form
    231,948.20/347,960.14 = 82,156.02/x
  3. Step 3: Cross multiply
    231,948.20x = 347,960.14 × 82,156.02
  4. Step 4: Simplify right side
    231,948.20x = 28,587,020,221.04
  5. Step 5: Solve for x
    x = 28,587,020,221.04/231,948.20
  6. Step 6: Final answer
    x = 123,247.43

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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.