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Finding the Fourth Proportional to 108.18, 163.08 and 95.04

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Solution

The fourth proportional to 108.18, 163.08 and 95.04 is: 143.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.18 : 163.08 = 95.04 : x
  2. Step 2: Convert to fraction form
    108.18/163.08 = 95.04/x
  3. Step 3: Cross multiply
    108.18x = 163.08 × 95.04
  4. Step 4: Simplify right side
    108.18x = 15,499.12
  5. Step 5: Solve for x
    x = 15,499.12/108.18
  6. Step 6: Final answer
    x = 143.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.