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Finding the Fourth Proportional to 108.22, 162.08 and 92.62

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Solution

The fourth proportional to 108.22, 162.08 and 92.62 is: 138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.22 : 162.08 = 92.62 : x
  2. Step 2: Convert to fraction form
    108.22/162.08 = 92.62/x
  3. Step 3: Cross multiply
    108.22x = 162.08 × 92.62
  4. Step 4: Simplify right side
    108.22x = 15,011.85
  5. Step 5: Solve for x
    x = 15,011.85/108.22
  6. Step 6: Final answer
    x = 138.72

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