Home / 187,839.94-281,806.04-54,721.36

Finding the Fourth Proportional to 187,839.94, 281,806.04 and 54,721.36

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Solution

The fourth proportional to 187,839.94, 281,806.04 and 54,721.36 is: 82,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,839.94 : 281,806.04 = 54,721.36 : x
  2. Step 2: Convert to fraction form
    187,839.94/281,806.04 = 54,721.36/x
  3. Step 3: Cross multiply
    187,839.94x = 281,806.04 × 54,721.36
  4. Step 4: Simplify right side
    187,839.94x = 15,420,809,765.01
  5. Step 5: Solve for x
    x = 15,420,809,765.01/187,839.94
  6. Step 6: Final answer
    x = 82,095.48

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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.