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Finding the Fourth Proportional to 83,033.40, 124,550.10 and 82,255.80

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Solution

The fourth proportional to 83,033.40, 124,550.10 and 82,255.80 is: 123,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,033.40 : 124,550.10 = 82,255.80 : x
  2. Step 2: Convert to fraction form
    83,033.40/124,550.10 = 82,255.80/x
  3. Step 3: Cross multiply
    83,033.40x = 124,550.10 × 82,255.80
  4. Step 4: Simplify right side
    83,033.40x = 10,244,968,115.58
  5. Step 5: Solve for x
    x = 10,244,968,115.58/83,033.40
  6. Step 6: Final answer
    x = 123,383.70

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