Home / 205,805.16-283,920.96-120,883.92

Finding the Fourth Proportional to 205,805.16, 283,920.96 and 120,883.92

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Solution

The fourth proportional to 205,805.16, 283,920.96 and 120,883.92 is: 166,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,805.16 : 283,920.96 = 120,883.92 : x
  2. Step 2: Convert to fraction form
    205,805.16/283,920.96 = 120,883.92/x
  3. Step 3: Cross multiply
    205,805.16x = 283,920.96 × 120,883.92
  4. Step 4: Simplify right side
    205,805.16x = 34,321,478,614.96
  5. Step 5: Solve for x
    x = 34,321,478,614.96/205,805.16
  6. Step 6: Final answer
    x = 166,766.85

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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.