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Finding the Fourth Proportional to 122,034.60, 182,906.10 and 62,839.80

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Solution

The fourth proportional to 122,034.60, 182,906.10 and 62,839.80 is: 94,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,034.60 : 182,906.10 = 62,839.80 : x
  2. Step 2: Convert to fraction form
    122,034.60/182,906.10 = 62,839.80/x
  3. Step 3: Cross multiply
    122,034.60x = 182,906.10 × 62,839.80
  4. Step 4: Simplify right side
    122,034.60x = 11,493,782,742.78
  5. Step 5: Solve for x
    x = 11,493,782,742.78/122,034.60
  6. Step 6: Final answer
    x = 94,184.62

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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.