Home / 94,908.20-142,103.10-68,469.80

Finding the Fourth Proportional to 94,908.20, 142,103.10 and 68,469.80

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Solution

The fourth proportional to 94,908.20, 142,103.10 and 68,469.80 is: 102,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,908.20 : 142,103.10 = 68,469.80 : x
  2. Step 2: Convert to fraction form
    94,908.20/142,103.10 = 68,469.80/x
  3. Step 3: Cross multiply
    94,908.20x = 142,103.10 × 68,469.80
  4. Step 4: Simplify right side
    94,908.20x = 9,729,770,836.38
  5. Step 5: Solve for x
    x = 9,729,770,836.38/94,908.20
  6. Step 6: Final answer
    x = 102,517.70

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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.