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Finding the Fourth Proportional to 134.10, 201.02 and 61.88

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Solution

The fourth proportional to 134.10, 201.02 and 61.88 is: 92.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.10 : 201.02 = 61.88 : x
  2. Step 2: Convert to fraction form
    134.10/201.02 = 61.88/x
  3. Step 3: Cross multiply
    134.10x = 201.02 × 61.88
  4. Step 4: Simplify right side
    134.10x = 12,437.80
  5. Step 5: Solve for x
    x = 12,437.80/134.10
  6. Step 6: Final answer
    x = 92.75

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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.