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Finding the Fourth Proportional to 136.09, 203.39 and 110.14

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Solution

The fourth proportional to 136.09, 203.39 and 110.14 is: 164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136.09 : 203.39 = 110.14 : x
  2. Step 2: Convert to fraction form
    136.09/203.39 = 110.14/x
  3. Step 3: Cross multiply
    136.09x = 203.39 × 110.14
  4. Step 4: Simplify right side
    136.09x = 22,401.37
  5. Step 5: Solve for x
    x = 22,401.37/136.09
  6. Step 6: Final answer
    x = 164.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.