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Finding the Fourth Proportional to 132,078.56, 198,167.16 and 53,215.16

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Solution

The fourth proportional to 132,078.56, 198,167.16 and 53,215.16 is: 79,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,078.56 : 198,167.16 = 53,215.16 : x
  2. Step 2: Convert to fraction form
    132,078.56/198,167.16 = 53,215.16/x
  3. Step 3: Cross multiply
    132,078.56x = 198,167.16 × 53,215.16
  4. Step 4: Simplify right side
    132,078.56x = 10,545,497,126.15
  5. Step 5: Solve for x
    x = 10,545,497,126.15/132,078.56
  6. Step 6: Final answer
    x = 79,842.61

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