Home / 195,149.38-269,207.47-130,621.36

Finding the Fourth Proportional to 195,149.38, 269,207.47 and 130,621.36

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Solution

The fourth proportional to 195,149.38, 269,207.47 and 130,621.36 is: 180,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,149.38 : 269,207.47 = 130,621.36 : x
  2. Step 2: Convert to fraction form
    195,149.38/269,207.47 = 130,621.36/x
  3. Step 3: Cross multiply
    195,149.38x = 269,207.47 × 130,621.36
  4. Step 4: Simplify right side
    195,149.38x = 35,164,245,853.56
  5. Step 5: Solve for x
    x = 35,164,245,853.56/195,149.38
  6. Step 6: Final answer
    x = 180,191.43

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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.