Home / 187,515.29-281,338.74-54,403.53

Finding the Fourth Proportional to 187,515.29, 281,338.74 and 54,403.53

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Solution

The fourth proportional to 187,515.29, 281,338.74 and 54,403.53 is: 81,624.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,515.29 : 281,338.74 = 54,403.53 : x
  2. Step 2: Convert to fraction form
    187,515.29/281,338.74 = 54,403.53/x
  3. Step 3: Cross multiply
    187,515.29x = 281,338.74 × 54,403.53
  4. Step 4: Simplify right side
    187,515.29x = 15,305,820,581.75
  5. Step 5: Solve for x
    x = 15,305,820,581.75/187,515.29
  6. Step 6: Final answer
    x = 81,624.39

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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.