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Finding the Fourth Proportional to 181,255.80, 271,819.08 and 68,906.10

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Solution

The fourth proportional to 181,255.80, 271,819.08 and 68,906.10 is: 103,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,255.80 : 271,819.08 = 68,906.10 : x
  2. Step 2: Convert to fraction form
    181,255.80/271,819.08 = 68,906.10/x
  3. Step 3: Cross multiply
    181,255.80x = 271,819.08 × 68,906.10
  4. Step 4: Simplify right side
    181,255.80x = 18,729,992,708.39
  5. Step 5: Solve for x
    x = 18,729,992,708.39/181,255.80
  6. Step 6: Final answer
    x = 103,334.58

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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.