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Finding the Fourth Proportional to 169,700.33, 254,605.79 and 80,942.29

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Solution

The fourth proportional to 169,700.33, 254,605.79 and 80,942.29 is: 121,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,700.33 : 254,605.79 = 80,942.29 : x
  2. Step 2: Convert to fraction form
    169,700.33/254,605.79 = 80,942.29/x
  3. Step 3: Cross multiply
    169,700.33x = 254,605.79 × 80,942.29
  4. Step 4: Simplify right side
    169,700.33x = 20,608,375,255.70
  5. Step 5: Solve for x
    x = 20,608,375,255.70/169,700.33
  6. Step 6: Final answer
    x = 121,439.80

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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.