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Finding the Fourth Proportional to 148,137.20, 222,205.80 and 132,390.80

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Solution

The fourth proportional to 148,137.20, 222,205.80 and 132,390.80 is: 198,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,137.20 : 222,205.80 = 132,390.80 : x
  2. Step 2: Convert to fraction form
    148,137.20/222,205.80 = 132,390.80/x
  3. Step 3: Cross multiply
    148,137.20x = 222,205.80 × 132,390.80
  4. Step 4: Simplify right side
    148,137.20x = 29,418,003,626.64
  5. Step 5: Solve for x
    x = 29,418,003,626.64/148,137.20
  6. Step 6: Final answer
    x = 198,586.20

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