Home / 124.20-171.23-95.04

Finding the Fourth Proportional to 124.20, 171.23 and 95.04

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Solution

The fourth proportional to 124.20, 171.23 and 95.04 is: 131.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.20 : 171.23 = 95.04 : x
  2. Step 2: Convert to fraction form
    124.20/171.23 = 95.04/x
  3. Step 3: Cross multiply
    124.20x = 171.23 × 95.04
  4. Step 4: Simplify right side
    124.20x = 16,273.22
  5. Step 5: Solve for x
    x = 16,273.22/124.20
  6. Step 6: Final answer
    x = 131.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.