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Finding the Fourth Proportional to 111,704.95, 167,557.43 and 78,462.55

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Solution

The fourth proportional to 111,704.95, 167,557.43 and 78,462.55 is: 117,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,704.95 : 167,557.43 = 78,462.55 : x
  2. Step 2: Convert to fraction form
    111,704.95/167,557.43 = 78,462.55/x
  3. Step 3: Cross multiply
    111,704.95x = 167,557.43 × 78,462.55
  4. Step 4: Simplify right side
    111,704.95x = 13,146,982,836.93
  5. Step 5: Solve for x
    x = 13,146,982,836.93/111,704.95
  6. Step 6: Final answer
    x = 117,693.83

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