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Finding the Fourth Proportional to 111.91, 167.59 and 63.67

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Solution

The fourth proportional to 111.91, 167.59 and 63.67 is: 95.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.91 : 167.59 = 63.67 : x
  2. Step 2: Convert to fraction form
    111.91/167.59 = 63.67/x
  3. Step 3: Cross multiply
    111.91x = 167.59 × 63.67
  4. Step 4: Simplify right side
    111.91x = 10,669.46
  5. Step 5: Solve for x
    x = 10,669.46/111.91
  6. Step 6: Final answer
    x = 95.34

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