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Finding the Fourth Proportional to 203,971.21, 281,472.22 and 113,332.79

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Solution

The fourth proportional to 203,971.21, 281,472.22 and 113,332.79 is: 156,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,971.21 : 281,472.22 = 113,332.79 : x
  2. Step 2: Convert to fraction form
    203,971.21/281,472.22 = 113,332.79/x
  3. Step 3: Cross multiply
    203,971.21x = 281,472.22 × 113,332.79
  4. Step 4: Simplify right side
    203,971.21x = 31,900,032,000.09
  5. Step 5: Solve for x
    x = 31,900,032,000.09/203,971.21
  6. Step 6: Final answer
    x = 156,394.78

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