Home / 200,245.76-276,338.13-108,364.97

Finding the Fourth Proportional to 200,245.76, 276,338.13 and 108,364.97

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Solution

The fourth proportional to 200,245.76, 276,338.13 and 108,364.97 is: 149,543.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,245.76 : 276,338.13 = 108,364.97 : x
  2. Step 2: Convert to fraction form
    200,245.76/276,338.13 = 108,364.97/x
  3. Step 3: Cross multiply
    200,245.76x = 276,338.13 × 108,364.97
  4. Step 4: Simplify right side
    200,245.76x = 29,945,373,167.31
  5. Step 5: Solve for x
    x = 29,945,373,167.31/200,245.76
  6. Step 6: Final answer
    x = 149,543.11

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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.