Home / 123,874.26-170,947.38-67,285.65

Finding the Fourth Proportional to 123,874.26, 170,947.38 and 67,285.65

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Solution

The fourth proportional to 123,874.26, 170,947.38 and 67,285.65 is: 92,854.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,874.26 : 170,947.38 = 67,285.65 : x
  2. Step 2: Convert to fraction form
    123,874.26/170,947.38 = 67,285.65/x
  3. Step 3: Cross multiply
    123,874.26x = 170,947.38 × 67,285.65
  4. Step 4: Simplify right side
    123,874.26x = 11,502,305,579.10
  5. Step 5: Solve for x
    x = 11,502,305,579.10/123,874.26
  6. Step 6: Final answer
    x = 92,854.69

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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.