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Finding the Fourth Proportional to 144.03, 198.54 and 94.80

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Solution

The fourth proportional to 144.03, 198.54 and 94.80 is: 130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.03 : 198.54 = 94.80 : x
  2. Step 2: Convert to fraction form
    144.03/198.54 = 94.80/x
  3. Step 3: Cross multiply
    144.03x = 198.54 × 94.80
  4. Step 4: Simplify right side
    144.03x = 18,821.59
  5. Step 5: Solve for x
    x = 18,821.59/144.03
  6. Step 6: Final answer
    x = 130.68

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