Home / 187,821.35-281,264.66-131,397.33

Finding the Fourth Proportional to 187,821.35, 281,264.66 and 131,397.33

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Solution

The fourth proportional to 187,821.35, 281,264.66 and 131,397.33 is: 196,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,821.35 : 281,264.66 = 131,397.33 : x
  2. Step 2: Convert to fraction form
    187,821.35/281,264.66 = 131,397.33/x
  3. Step 3: Cross multiply
    187,821.35x = 281,264.66 × 131,397.33
  4. Step 4: Simplify right side
    187,821.35x = 36,957,425,347.36
  5. Step 5: Solve for x
    x = 36,957,425,347.36/187,821.35
  6. Step 6: Final answer
    x = 196,769.03

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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.