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Finding the Fourth Proportional to 132,359.20, 198,465.90 and 53,384.20

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Solution

The fourth proportional to 132,359.20, 198,465.90 and 53,384.20 is: 80,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,359.20 : 198,465.90 = 53,384.20 : x
  2. Step 2: Convert to fraction form
    132,359.20/198,465.90 = 53,384.20/x
  3. Step 3: Cross multiply
    132,359.20x = 198,465.90 × 53,384.20
  4. Step 4: Simplify right side
    132,359.20x = 10,594,943,298.78
  5. Step 5: Solve for x
    x = 10,594,943,298.78/132,359.20
  6. Step 6: Final answer
    x = 80,046.90

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