Home / 187,977.59-282,040.23-82,722.75

Finding the Fourth Proportional to 187,977.59, 282,040.23 and 82,722.75

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Solution

The fourth proportional to 187,977.59, 282,040.23 and 82,722.75 is: 124,116.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,977.59 : 282,040.23 = 82,722.75 : x
  2. Step 2: Convert to fraction form
    187,977.59/282,040.23 = 82,722.75/x
  3. Step 3: Cross multiply
    187,977.59x = 282,040.23 × 82,722.75
  4. Step 4: Simplify right side
    187,977.59x = 23,331,143,436.23
  5. Step 5: Solve for x
    x = 23,331,143,436.23/187,977.59
  6. Step 6: Final answer
    x = 124,116.62

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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.