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Finding the Fourth Proportional to 83,692.20, 125,538.30 and 82,817.40

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Solution

The fourth proportional to 83,692.20, 125,538.30 and 82,817.40 is: 124,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,692.20 : 125,538.30 = 82,817.40 : x
  2. Step 2: Convert to fraction form
    83,692.20/125,538.30 = 82,817.40/x
  3. Step 3: Cross multiply
    83,692.20x = 125,538.30 × 82,817.40
  4. Step 4: Simplify right side
    83,692.20x = 10,396,755,606.42
  5. Step 5: Solve for x
    x = 10,396,755,606.42/83,692.20
  6. Step 6: Final answer
    x = 124,226.10

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