Home / 134.23-201.37-57.15

Finding the Fourth Proportional to 134.23, 201.37 and 57.15

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Solution

The fourth proportional to 134.23, 201.37 and 57.15 is: 85.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.23 : 201.37 = 57.15 : x
  2. Step 2: Convert to fraction form
    134.23/201.37 = 57.15/x
  3. Step 3: Cross multiply
    134.23x = 201.37 × 57.15
  4. Step 4: Simplify right side
    134.23x = 11,508.30
  5. Step 5: Solve for x
    x = 11,508.30/134.23
  6. Step 6: Final answer
    x = 85.74

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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.