Home / 187,823.75-281,781.87-54,705.16

Finding the Fourth Proportional to 187,823.75, 281,781.87 and 54,705.16

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Solution

The fourth proportional to 187,823.75, 281,781.87 and 54,705.16 is: 82,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,823.75 : 281,781.87 = 54,705.16 : x
  2. Step 2: Convert to fraction form
    187,823.75/281,781.87 = 54,705.16/x
  3. Step 3: Cross multiply
    187,823.75x = 281,781.87 × 54,705.16
  4. Step 4: Simplify right side
    187,823.75x = 15,414,922,283.45
  5. Step 5: Solve for x
    x = 15,414,922,283.45/187,823.75
  6. Step 6: Final answer
    x = 82,071.21

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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.