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Finding the Fourth Proportional to 281,662.20, 422,449.11 and 92,121.03

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Solution

The fourth proportional to 281,662.20, 422,449.11 and 92,121.03 is: 138,167.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,662.20 : 422,449.11 = 92,121.03 : x
  2. Step 2: Convert to fraction form
    281,662.20/422,449.11 = 92,121.03/x
  3. Step 3: Cross multiply
    281,662.20x = 422,449.11 × 92,121.03
  4. Step 4: Simplify right side
    281,662.20x = 38,916,447,135.78
  5. Step 5: Solve for x
    x = 38,916,447,135.78/281,662.20
  6. Step 6: Final answer
    x = 138,167.09

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