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Finding the Fourth Proportional to 166,472.78, 229,733.22 and 91,021.28

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Solution

The fourth proportional to 166,472.78, 229,733.22 and 91,021.28 is: 125,609.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,472.78 : 229,733.22 = 91,021.28 : x
  2. Step 2: Convert to fraction form
    166,472.78/229,733.22 = 91,021.28/x
  3. Step 3: Cross multiply
    166,472.78x = 229,733.22 × 91,021.28
  4. Step 4: Simplify right side
    166,472.78x = 20,910,611,742.92
  5. Step 5: Solve for x
    x = 20,910,611,742.92/166,472.78
  6. Step 6: Final answer
    x = 125,609.79

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