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Finding the Fourth Proportional to 111,000.24, 153,123.48 and 75,177.72

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Solution

The fourth proportional to 111,000.24, 153,123.48 and 75,177.72 is: 103,706.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,000.24 : 153,123.48 = 75,177.72 : x
  2. Step 2: Convert to fraction form
    111,000.24/153,123.48 = 75,177.72/x
  3. Step 3: Cross multiply
    111,000.24x = 153,123.48 × 75,177.72
  4. Step 4: Simplify right side
    111,000.24x = 11,511,474,104.87
  5. Step 5: Solve for x
    x = 11,511,474,104.87/111,000.24
  6. Step 6: Final answer
    x = 103,706.75

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