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Finding the Fourth Proportional to 132,000.40, 182,112.68 and 86,702.88

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Solution

The fourth proportional to 132,000.40, 182,112.68 and 86,702.88 is: 119,618.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,000.40 : 182,112.68 = 86,702.88 : x
  2. Step 2: Convert to fraction form
    132,000.40/182,112.68 = 86,702.88/x
  3. Step 3: Cross multiply
    132,000.40x = 182,112.68 × 86,702.88
  4. Step 4: Simplify right side
    132,000.40x = 15,789,693,840.52
  5. Step 5: Solve for x
    x = 15,789,693,840.52/132,000.40
  6. Step 6: Final answer
    x = 119,618.53

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