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Finding the Fourth Proportional to 230,061.44, 345,147.44 and 72,289.78

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Solution

The fourth proportional to 230,061.44, 345,147.44 and 72,289.78 is: 108,452.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,061.44 : 345,147.44 = 72,289.78 : x
  2. Step 2: Convert to fraction form
    230,061.44/345,147.44 = 72,289.78/x
  3. Step 3: Cross multiply
    230,061.44x = 345,147.44 × 72,289.78
  4. Step 4: Simplify right side
    230,061.44x = 24,950,632,505.16
  5. Step 5: Solve for x
    x = 24,950,632,505.16/230,061.44
  6. Step 6: Final answer
    x = 108,452.04

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