Home / 187,144.26-280,734.09-52,217.28

Finding the Fourth Proportional to 187,144.26, 280,734.09 and 52,217.28

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Solution

The fourth proportional to 187,144.26, 280,734.09 and 52,217.28 is: 78,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,144.26 : 280,734.09 = 52,217.28 : x
  2. Step 2: Convert to fraction form
    187,144.26/280,734.09 = 52,217.28/x
  3. Step 3: Cross multiply
    187,144.26x = 280,734.09 × 52,217.28
  4. Step 4: Simplify right side
    187,144.26x = 14,659,170,583.08
  5. Step 5: Solve for x
    x = 14,659,170,583.08/187,144.26
  6. Step 6: Final answer
    x = 78,330.86

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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.