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Finding the Fourth Proportional to 111,231.75, 153,500.40 and 60,930.75

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Solution

The fourth proportional to 111,231.75, 153,500.40 and 60,930.75 is: 84,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,231.75 : 153,500.40 = 60,930.75 : x
  2. Step 2: Convert to fraction form
    111,231.75/153,500.40 = 60,930.75/x
  3. Step 3: Cross multiply
    111,231.75x = 153,500.40 × 60,930.75
  4. Step 4: Simplify right side
    111,231.75x = 9,352,894,497.30
  5. Step 5: Solve for x
    x = 9,352,894,497.30/111,231.75
  6. Step 6: Final answer
    x = 84,084.76

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