Home / 187,112.92-280,480.26-80,566.36

Finding the Fourth Proportional to 187,112.92, 280,480.26 and 80,566.36

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Solution

The fourth proportional to 187,112.92, 280,480.26 and 80,566.36 is: 120,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,112.92 : 280,480.26 = 80,566.36 : x
  2. Step 2: Convert to fraction form
    187,112.92/280,480.26 = 80,566.36/x
  3. Step 3: Cross multiply
    187,112.92x = 280,480.26 × 80,566.36
  4. Step 4: Simplify right side
    187,112.92x = 22,597,273,600.05
  5. Step 5: Solve for x
    x = 22,597,273,600.05/187,112.92
  6. Step 6: Final answer
    x = 120,768.11

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1.5x scale

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.