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Finding the Fourth Proportional to 132,380.40, 198,605.80 and 57,468.40

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Solution

The fourth proportional to 132,380.40, 198,605.80 and 57,468.40 is: 86,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,380.40 : 198,605.80 = 57,468.40 : x
  2. Step 2: Convert to fraction form
    132,380.40/198,605.80 = 57,468.40/x
  3. Step 3: Cross multiply
    132,380.40x = 198,605.80 × 57,468.40
  4. Step 4: Simplify right side
    132,380.40x = 11,413,557,556.72
  5. Step 5: Solve for x
    x = 11,413,557,556.72/132,380.40
  6. Step 6: Final answer
    x = 86,217.88

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