Home / 82,163.07-123,244.61-26,759.07

Finding the Fourth Proportional to 82,163.07, 123,244.61 and 26,759.07

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Solution

The fourth proportional to 82,163.07, 123,244.61 and 26,759.07 is: 40,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,163.07 : 123,244.61 = 26,759.07 : x
  2. Step 2: Convert to fraction form
    82,163.07/123,244.61 = 26,759.07/x
  3. Step 3: Cross multiply
    82,163.07x = 123,244.61 × 26,759.07
  4. Step 4: Simplify right side
    82,163.07x = 3,297,911,012.32
  5. Step 5: Solve for x
    x = 3,297,911,012.32/82,163.07
  6. Step 6: Final answer
    x = 40,138.61

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Similar ratio
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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.