Home / 181.24-250.15-152.12

Finding the Fourth Proportional to 181.24, 250.15 and 152.12

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Solution

The fourth proportional to 181.24, 250.15 and 152.12 is: 209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.24 : 250.15 = 152.12 : x
  2. Step 2: Convert to fraction form
    181.24/250.15 = 152.12/x
  3. Step 3: Cross multiply
    181.24x = 250.15 × 152.12
  4. Step 4: Simplify right side
    181.24x = 38,052.82
  5. Step 5: Solve for x
    x = 38,052.82/181.24
  6. Step 6: Final answer
    x = 209.96

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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.