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Finding the Fourth Proportional to 148,206.80, 222,310.20 and 135,959.60

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Solution

The fourth proportional to 148,206.80, 222,310.20 and 135,959.60 is: 203,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,206.80 : 222,310.20 = 135,959.60 : x
  2. Step 2: Convert to fraction form
    148,206.80/222,310.20 = 135,959.60/x
  3. Step 3: Cross multiply
    148,206.80x = 222,310.20 × 135,959.60
  4. Step 4: Simplify right side
    148,206.80x = 30,225,205,867.92
  5. Step 5: Solve for x
    x = 30,225,205,867.92/148,206.80
  6. Step 6: Final answer
    x = 203,939.40

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