Home / 82,206.64-123,310.92-28,900.18

Finding the Fourth Proportional to 82,206.64, 123,310.92 and 28,900.18

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Solution

The fourth proportional to 82,206.64, 123,310.92 and 28,900.18 is: 43,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,206.64 : 123,310.92 = 28,900.18 : x
  2. Step 2: Convert to fraction form
    82,206.64/123,310.92 = 28,900.18/x
  3. Step 3: Cross multiply
    82,206.64x = 123,310.92 × 28,900.18
  4. Step 4: Simplify right side
    82,206.64x = 3,563,707,751.15
  5. Step 5: Solve for x
    x = 3,563,707,751.15/82,206.64
  6. Step 6: Final answer
    x = 43,350.61

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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.