Home / 159,571.20-220,213.17-91,600.59

Finding the Fourth Proportional to 159,571.20, 220,213.17 and 91,600.59

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Solution

The fourth proportional to 159,571.20, 220,213.17 and 91,600.59 is: 126,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,571.20 : 220,213.17 = 91,600.59 : x
  2. Step 2: Convert to fraction form
    159,571.20/220,213.17 = 91,600.59/x
  3. Step 3: Cross multiply
    159,571.20x = 220,213.17 × 91,600.59
  4. Step 4: Simplify right side
    159,571.20x = 20,171,656,297.77
  5. Step 5: Solve for x
    x = 20,171,656,297.77/159,571.20
  6. Step 6: Final answer
    x = 126,411.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.