Home / 187,976.59-282,038.73-82,721.75

Finding the Fourth Proportional to 187,976.59, 282,038.73 and 82,721.75

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Solution

The fourth proportional to 187,976.59, 282,038.73 and 82,721.75 is: 124,115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,976.59 : 282,038.73 = 82,721.75 : x
  2. Step 2: Convert to fraction form
    187,976.59/282,038.73 = 82,721.75/x
  3. Step 3: Cross multiply
    187,976.59x = 282,038.73 × 82,721.75
  4. Step 4: Simplify right side
    187,976.59x = 23,330,735,592.98
  5. Step 5: Solve for x
    x = 23,330,735,592.98/187,976.59
  6. Step 6: Final answer
    x = 124,115.11

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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.