Home / 200,297.37-300,445.13-81,968.73

Finding the Fourth Proportional to 200,297.37, 300,445.13 and 81,968.73

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Solution

The fourth proportional to 200,297.37, 300,445.13 and 81,968.73 is: 122,952.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,297.37 : 300,445.13 = 81,968.73 : x
  2. Step 2: Convert to fraction form
    200,297.37/300,445.13 = 81,968.73/x
  3. Step 3: Cross multiply
    200,297.37x = 300,445.13 × 81,968.73
  4. Step 4: Simplify right side
    200,297.37x = 24,627,104,819.04
  5. Step 5: Solve for x
    x = 24,627,104,819.04/200,297.37
  6. Step 6: Final answer
    x = 122,952.71

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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.