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Finding the Fourth Proportional to 132,390.36, 198,473.76 and 57,453.84

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Solution

The fourth proportional to 132,390.36, 198,473.76 and 57,453.84 is: 86,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,390.36 : 198,473.76 = 57,453.84 : x
  2. Step 2: Convert to fraction form
    132,390.36/198,473.76 = 57,453.84/x
  3. Step 3: Cross multiply
    132,390.36x = 198,473.76 × 57,453.84
  4. Step 4: Simplify right side
    132,390.36x = 11,403,079,651.24
  5. Step 5: Solve for x
    x = 11,403,079,651.24/132,390.36
  6. Step 6: Final answer
    x = 86,132.25

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