Home / 200,204.20-300,097.10-66,974.86

Finding the Fourth Proportional to 200,204.20, 300,097.10 and 66,974.86

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Solution

The fourth proportional to 200,204.20, 300,097.10 and 66,974.86 is: 100,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,204.20 : 300,097.10 = 66,974.86 : x
  2. Step 2: Convert to fraction form
    200,204.20/300,097.10 = 66,974.86/x
  3. Step 3: Cross multiply
    200,204.20x = 300,097.10 × 66,974.86
  4. Step 4: Simplify right side
    200,204.20x = 20,098,961,258.91
  5. Step 5: Solve for x
    x = 20,098,961,258.91/200,204.20
  6. Step 6: Final answer
    x = 100,392.31

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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.