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Finding the Fourth Proportional to 144.12, 216.03 and 63

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Solution

The fourth proportional to 144.12, 216.03 and 63 is: 94.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.12 : 216.03 = 63 : x
  2. Step 2: Convert to fraction form
    144.12/216.03 = 63/x
  3. Step 3: Cross multiply
    144.12x = 216.03 × 63
  4. Step 4: Simplify right side
    144.12x = 13,609.89
  5. Step 5: Solve for x
    x = 13,609.89/144.12
  6. Step 6: Final answer
    x = 94.43

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