Home / 187,979.22-281,913.30-54,817.56

Finding the Fourth Proportional to 187,979.22, 281,913.30 and 54,817.56

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Solution

The fourth proportional to 187,979.22, 281,913.30 and 54,817.56 is: 82,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,979.22 : 281,913.30 = 54,817.56 : x
  2. Step 2: Convert to fraction form
    187,979.22/281,913.30 = 54,817.56/x
  3. Step 3: Cross multiply
    187,979.22x = 281,913.30 × 54,817.56
  4. Step 4: Simplify right side
    187,979.22x = 15,453,799,237.55
  5. Step 5: Solve for x
    x = 15,453,799,237.55/187,979.22
  6. Step 6: Final answer
    x = 82,210.15

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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.