Home / 159,822.74-220,543.61-91,839.85

Finding the Fourth Proportional to 159,822.74, 220,543.61 and 91,839.85

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Solution

The fourth proportional to 159,822.74, 220,543.61 and 91,839.85 is: 126,732.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,822.74 : 220,543.61 = 91,839.85 : x
  2. Step 2: Convert to fraction form
    159,822.74/220,543.61 = 91,839.85/x
  3. Step 3: Cross multiply
    159,822.74x = 220,543.61 × 91,839.85
  4. Step 4: Simplify right side
    159,822.74x = 20,254,691,050.30
  5. Step 5: Solve for x
    x = 20,254,691,050.30/159,822.74
  6. Step 6: Final answer
    x = 126,732.22

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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.