Home / 187,984.11-282,049.98-82,729.26

Finding the Fourth Proportional to 187,984.11, 282,049.98 and 82,729.26

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Solution

The fourth proportional to 187,984.11, 282,049.98 and 82,729.26 is: 124,126.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,984.11 : 282,049.98 = 82,729.26 : x
  2. Step 2: Convert to fraction form
    187,984.11/282,049.98 = 82,729.26/x
  3. Step 3: Cross multiply
    187,984.11x = 282,049.98 × 82,729.26
  4. Step 4: Simplify right side
    187,984.11x = 23,333,786,128.41
  5. Step 5: Solve for x
    x = 23,333,786,128.41/187,984.11
  6. Step 6: Final answer
    x = 124,126.37

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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.