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Finding the Fourth Proportional to 136.04, 204.19 and 97.56

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Solution

The fourth proportional to 136.04, 204.19 and 97.56 is: 146.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136.04 : 204.19 = 97.56 : x
  2. Step 2: Convert to fraction form
    136.04/204.19 = 97.56/x
  3. Step 3: Cross multiply
    136.04x = 204.19 × 97.56
  4. Step 4: Simplify right side
    136.04x = 19,920.53
  5. Step 5: Solve for x
    x = 19,920.53/136.04
  6. Step 6: Final answer
    x = 146.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.