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Finding the Fourth Proportional to 115,906.40, 173,640.90 and 108,033.20

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Solution

The fourth proportional to 115,906.40, 173,640.90 and 108,033.20 is: 161,845.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,906.40 : 173,640.90 = 108,033.20 : x
  2. Step 2: Convert to fraction form
    115,906.40/173,640.90 = 108,033.20/x
  3. Step 3: Cross multiply
    115,906.40x = 173,640.90 × 108,033.20
  4. Step 4: Simplify right side
    115,906.40x = 18,758,982,077.88
  5. Step 5: Solve for x
    x = 18,758,982,077.88/115,906.40
  6. Step 6: Final answer
    x = 161,845.96

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