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Finding the Fourth Proportional to 104.82, 144.30 and 88.44

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Solution

The fourth proportional to 104.82, 144.30 and 88.44 is: 121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.82 : 144.30 = 88.44 : x
  2. Step 2: Convert to fraction form
    104.82/144.30 = 88.44/x
  3. Step 3: Cross multiply
    104.82x = 144.30 × 88.44
  4. Step 4: Simplify right side
    104.82x = 12,761.89
  5. Step 5: Solve for x
    x = 12,761.89/104.82
  6. Step 6: Final answer
    x = 121.75

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