Home / 200,091.10-300,025.82-81,845.46

Finding the Fourth Proportional to 200,091.10, 300,025.82 and 81,845.46

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Solution

The fourth proportional to 200,091.10, 300,025.82 and 81,845.46 is: 122,722.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,091.10 : 300,025.82 = 81,845.46 : x
  2. Step 2: Convert to fraction form
    200,091.10/300,025.82 = 81,845.46/x
  3. Step 3: Cross multiply
    200,091.10x = 300,025.82 × 81,845.46
  4. Step 4: Simplify right side
    200,091.10x = 24,555,751,249.78
  5. Step 5: Solve for x
    x = 24,555,751,249.78/200,091.10
  6. Step 6: Final answer
    x = 122,722.86

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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.