Home / 187,679.41-281,322.28-87,755.38

Finding the Fourth Proportional to 187,679.41, 281,322.28 and 87,755.38

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Solution

The fourth proportional to 187,679.41, 281,322.28 and 87,755.38 is: 131,541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,679.41 : 281,322.28 = 87,755.38 : x
  2. Step 2: Convert to fraction form
    187,679.41/281,322.28 = 87,755.38/x
  3. Step 3: Cross multiply
    187,679.41x = 281,322.28 × 87,755.38
  4. Step 4: Simplify right side
    187,679.41x = 24,687,543,583.87
  5. Step 5: Solve for x
    x = 24,687,543,583.87/187,679.41
  6. Step 6: Final answer
    x = 131,541.03

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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.