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Finding the Fourth Proportional to 120.03, 179.89 and 98.38

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Solution

The fourth proportional to 120.03, 179.89 and 98.38 is: 147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120.03 : 179.89 = 98.38 : x
  2. Step 2: Convert to fraction form
    120.03/179.89 = 98.38/x
  3. Step 3: Cross multiply
    120.03x = 179.89 × 98.38
  4. Step 4: Simplify right side
    120.03x = 17,697.58
  5. Step 5: Solve for x
    x = 17,697.58/120.03
  6. Step 6: Final answer
    x = 147.44

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