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Finding the Fourth Proportional to 120,932.74, 166,879.80 and 67,215.94

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Solution

The fourth proportional to 120,932.74, 166,879.80 and 67,215.94 is: 92,753.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,932.74 : 166,879.80 = 67,215.94 : x
  2. Step 2: Convert to fraction form
    120,932.74/166,879.80 = 67,215.94/x
  3. Step 3: Cross multiply
    120,932.74x = 166,879.80 × 67,215.94
  4. Step 4: Simplify right side
    120,932.74x = 11,216,982,624.01
  5. Step 5: Solve for x
    x = 11,216,982,624.01/120,932.74
  6. Step 6: Final answer
    x = 92,753.89

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