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Finding the Fourth Proportional to 111,174.96, 166,764.90 and 40,103.28

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Solution

The fourth proportional to 111,174.96, 166,764.90 and 40,103.28 is: 60,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,174.96 : 166,764.90 = 40,103.28 : x
  2. Step 2: Convert to fraction form
    111,174.96/166,764.90 = 40,103.28/x
  3. Step 3: Cross multiply
    111,174.96x = 166,764.90 × 40,103.28
  4. Step 4: Simplify right side
    111,174.96x = 6,687,819,478.87
  5. Step 5: Solve for x
    x = 6,687,819,478.87/111,174.96
  6. Step 6: Final answer
    x = 60,155.81

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