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Finding the Fourth Proportional to 111,912.30, 167,784.62 and 67,528.56

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Solution

The fourth proportional to 111,912.30, 167,784.62 and 67,528.56 is: 101,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,912.30 : 167,784.62 = 67,528.56 : x
  2. Step 2: Convert to fraction form
    111,912.30/167,784.62 = 67,528.56/x
  3. Step 3: Cross multiply
    111,912.30x = 167,784.62 × 67,528.56
  4. Step 4: Simplify right side
    111,912.30x = 11,330,253,778.75
  5. Step 5: Solve for x
    x = 11,330,253,778.75/111,912.30
  6. Step 6: Final answer
    x = 101,242.26

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