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Finding the Fourth Proportional to 148,480.92, 222,759.18 and 48,647.88

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Solution

The fourth proportional to 148,480.92, 222,759.18 and 48,647.88 is: 72,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,480.92 : 222,759.18 = 48,647.88 : x
  2. Step 2: Convert to fraction form
    148,480.92/222,759.18 = 48,647.88/x
  3. Step 3: Cross multiply
    148,480.92x = 222,759.18 × 48,647.88
  4. Step 4: Simplify right side
    148,480.92x = 10,836,761,857.54
  5. Step 5: Solve for x
    x = 10,836,761,857.54/148,480.92
  6. Step 6: Final answer
    x = 72,984.20

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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.