Home / 82,169.12-123,254.55-26,008.17

Finding the Fourth Proportional to 82,169.12, 123,254.55 and 26,008.17

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Solution

The fourth proportional to 82,169.12, 123,254.55 and 26,008.17 is: 39,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,169.12 : 123,254.55 = 26,008.17 : x
  2. Step 2: Convert to fraction form
    82,169.12/123,254.55 = 26,008.17/x
  3. Step 3: Cross multiply
    82,169.12x = 123,254.55 × 26,008.17
  4. Step 4: Simplify right side
    82,169.12x = 3,205,625,289.67
  5. Step 5: Solve for x
    x = 3,205,625,289.67/82,169.12
  6. Step 6: Final answer
    x = 39,012.53

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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.