Home / 187,825.22-281,770.62-82,641.44

Finding the Fourth Proportional to 187,825.22, 281,770.62 and 82,641.44

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Solution

The fourth proportional to 187,825.22, 281,770.62 and 82,641.44 is: 123,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,825.22 : 281,770.62 = 82,641.44 : x
  2. Step 2: Convert to fraction form
    187,825.22/281,770.62 = 82,641.44/x
  3. Step 3: Cross multiply
    187,825.22x = 281,770.62 × 82,641.44
  4. Step 4: Simplify right side
    187,825.22x = 23,285,929,786.49
  5. Step 5: Solve for x
    x = 23,285,929,786.49/187,825.22
  6. Step 6: Final answer
    x = 123,976.59

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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.