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Finding the Fourth Proportional to 132,400.98, 198,489.60 and 57,464.46

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Solution

The fourth proportional to 132,400.98, 198,489.60 and 57,464.46 is: 86,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,400.98 : 198,489.60 = 57,464.46 : x
  2. Step 2: Convert to fraction form
    132,400.98/198,489.60 = 57,464.46/x
  3. Step 3: Cross multiply
    132,400.98x = 198,489.60 × 57,464.46
  4. Step 4: Simplify right side
    132,400.98x = 11,406,097,679.62
  5. Step 5: Solve for x
    x = 11,406,097,679.62/132,400.98
  6. Step 6: Final answer
    x = 86,148.14

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