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Finding the Fourth Proportional to 111,243.78, 153,515.52 and 60,255.33

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Solution

The fourth proportional to 111,243.78, 153,515.52 and 60,255.33 is: 83,151.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,243.78 : 153,515.52 = 60,255.33 : x
  2. Step 2: Convert to fraction form
    111,243.78/153,515.52 = 60,255.33/x
  3. Step 3: Cross multiply
    111,243.78x = 153,515.52 × 60,255.33
  4. Step 4: Simplify right side
    111,243.78x = 9,250,128,317.72
  5. Step 5: Solve for x
    x = 9,250,128,317.72/111,243.78
  6. Step 6: Final answer
    x = 83,151.87

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