Home / 187,754.13-281,631.78-47,512.71

Finding the Fourth Proportional to 187,754.13, 281,631.78 and 47,512.71

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Solution

The fourth proportional to 187,754.13, 281,631.78 and 47,512.71 is: 71,269.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,754.13 : 281,631.78 = 47,512.71 : x
  2. Step 2: Convert to fraction form
    187,754.13/281,631.78 = 47,512.71/x
  3. Step 3: Cross multiply
    187,754.13x = 281,631.78 × 47,512.71
  4. Step 4: Simplify right side
    187,754.13x = 13,381,089,089.92
  5. Step 5: Solve for x
    x = 13,381,089,089.92/187,754.13
  6. Step 6: Final answer
    x = 71,269.21

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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.