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Finding the Fourth Proportional to 111,078.80, 166,618.20 and 48,749.30

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Solution

The fourth proportional to 111,078.80, 166,618.20 and 48,749.30 is: 73,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,078.80 : 166,618.20 = 48,749.30 : x
  2. Step 2: Convert to fraction form
    111,078.80/166,618.20 = 48,749.30/x
  3. Step 3: Cross multiply
    111,078.80x = 166,618.20 × 48,749.30
  4. Step 4: Simplify right side
    111,078.80x = 8,122,520,617.26
  5. Step 5: Solve for x
    x = 8,122,520,617.26/111,078.80
  6. Step 6: Final answer
    x = 73,123.95

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