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Finding the Fourth Proportional to 116,078.52, 173,893.56 and 85,629.96

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Solution

The fourth proportional to 116,078.52, 173,893.56 and 85,629.96 is: 128,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,078.52 : 173,893.56 = 85,629.96 : x
  2. Step 2: Convert to fraction form
    116,078.52/173,893.56 = 85,629.96/x
  3. Step 3: Cross multiply
    116,078.52x = 173,893.56 × 85,629.96
  4. Step 4: Simplify right side
    116,078.52x = 14,890,498,587.06
  5. Step 5: Solve for x
    x = 14,890,498,587.06/116,078.52
  6. Step 6: Final answer
    x = 128,279.54

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