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Finding the Fourth Proportional to 134.28, 202.14 and 93.96

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Solution

The fourth proportional to 134.28, 202.14 and 93.96 is: 141.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.28 : 202.14 = 93.96 : x
  2. Step 2: Convert to fraction form
    134.28/202.14 = 93.96/x
  3. Step 3: Cross multiply
    134.28x = 202.14 × 93.96
  4. Step 4: Simplify right side
    134.28x = 18,993.07
  5. Step 5: Solve for x
    x = 18,993.07/134.28
  6. Step 6: Final answer
    x = 141.44

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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.