Home / 172,540.33-258,728.38-60,206.90

Finding the Fourth Proportional to 172,540.33, 258,728.38 and 60,206.90

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Solution

The fourth proportional to 172,540.33, 258,728.38 and 60,206.90 is: 90,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,540.33 : 258,728.38 = 60,206.90 : x
  2. Step 2: Convert to fraction form
    172,540.33/258,728.38 = 60,206.90/x
  3. Step 3: Cross multiply
    172,540.33x = 258,728.38 × 60,206.90
  4. Step 4: Simplify right side
    172,540.33x = 15,577,232,257.66
  5. Step 5: Solve for x
    x = 15,577,232,257.66/172,540.33
  6. Step 6: Final answer
    x = 90,281.69

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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.