Home / 230,921.38-318,637.32-140,230.18

Finding the Fourth Proportional to 230,921.38, 318,637.32 and 140,230.18

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Solution

The fourth proportional to 230,921.38, 318,637.32 and 140,230.18 is: 193,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,921.38 : 318,637.32 = 140,230.18 : x
  2. Step 2: Convert to fraction form
    230,921.38/318,637.32 = 140,230.18/x
  3. Step 3: Cross multiply
    230,921.38x = 318,637.32 × 140,230.18
  4. Step 4: Simplify right side
    230,921.38x = 44,682,568,738.32
  5. Step 5: Solve for x
    x = 44,682,568,738.32/230,921.38
  6. Step 6: Final answer
    x = 193,496.89

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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.