Home / 200,310.87-276,429.05-109,672.59

Finding the Fourth Proportional to 200,310.87, 276,429.05 and 109,672.59

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Solution

The fourth proportional to 200,310.87, 276,429.05 and 109,672.59 is: 151,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,310.87 : 276,429.05 = 109,672.59 : x
  2. Step 2: Convert to fraction form
    200,310.87/276,429.05 = 109,672.59/x
  3. Step 3: Cross multiply
    200,310.87x = 276,429.05 × 109,672.59
  4. Step 4: Simplify right side
    200,310.87x = 30,316,689,316.38
  5. Step 5: Solve for x
    x = 30,316,689,316.38/200,310.87
  6. Step 6: Final answer
    x = 151,348.20

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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.