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Finding the Fourth Proportional to 111,815.20, 167,674.20 and 36,906.40

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Solution

The fourth proportional to 111,815.20, 167,674.20 and 36,906.40 is: 55,343.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,815.20 : 167,674.20 = 36,906.40 : x
  2. Step 2: Convert to fraction form
    111,815.20/167,674.20 = 36,906.40/x
  3. Step 3: Cross multiply
    111,815.20x = 167,674.20 × 36,906.40
  4. Step 4: Simplify right side
    111,815.20x = 6,188,251,094.88
  5. Step 5: Solve for x
    x = 6,188,251,094.88/111,815.20
  6. Step 6: Final answer
    x = 55,343.56

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