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Finding the Fourth Proportional to 111,305.28, 166,965.65 and 44,745.45

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Solution

The fourth proportional to 111,305.28, 166,965.65 and 44,745.45 is: 67,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,305.28 : 166,965.65 = 44,745.45 : x
  2. Step 2: Convert to fraction form
    111,305.28/166,965.65 = 44,745.45/x
  3. Step 3: Cross multiply
    111,305.28x = 166,965.65 × 44,745.45
  4. Step 4: Simplify right side
    111,305.28x = 7,470,953,143.79
  5. Step 5: Solve for x
    x = 7,470,953,143.79/111,305.28
  6. Step 6: Final answer
    x = 67,121.28

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