Home / 232,565.10-320,939.91-130,576.38

Finding the Fourth Proportional to 232,565.10, 320,939.91 and 130,576.38

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Solution

The fourth proportional to 232,565.10, 320,939.91 and 130,576.38 is: 180,195.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,565.10 : 320,939.91 = 130,576.38 : x
  2. Step 2: Convert to fraction form
    232,565.10/320,939.91 = 130,576.38/x
  3. Step 3: Cross multiply
    232,565.10x = 320,939.91 × 130,576.38
  4. Step 4: Simplify right side
    232,565.10x = 41,907,171,645.33
  5. Step 5: Solve for x
    x = 41,907,171,645.33/232,565.10
  6. Step 6: Final answer
    x = 180,195.44

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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.