Home / 134.17-201.24-42.85

Finding the Fourth Proportional to 134.17, 201.24 and 42.85

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Solution

The fourth proportional to 134.17, 201.24 and 42.85 is: 64.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.17 : 201.24 = 42.85 : x
  2. Step 2: Convert to fraction form
    134.17/201.24 = 42.85/x
  3. Step 3: Cross multiply
    134.17x = 201.24 × 42.85
  4. Step 4: Simplify right side
    134.17x = 8,623.13
  5. Step 5: Solve for x
    x = 8,623.13/134.17
  6. Step 6: Final answer
    x = 64.27

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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.