Home / 80,161.47-120,240.98-27,571.41

Finding the Fourth Proportional to 80,161.47, 120,240.98 and 27,571.41

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Solution

The fourth proportional to 80,161.47, 120,240.98 and 27,571.41 is: 41,356.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,161.47 : 120,240.98 = 27,571.41 : x
  2. Step 2: Convert to fraction form
    80,161.47/120,240.98 = 27,571.41/x
  3. Step 3: Cross multiply
    80,161.47x = 120,240.98 × 27,571.41
  4. Step 4: Simplify right side
    80,161.47x = 3,315,213,358.38
  5. Step 5: Solve for x
    x = 3,315,213,358.38/80,161.47
  6. Step 6: Final answer
    x = 41,356.69

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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.