Home / 131,609.82-197,414.73-38,115.57

Finding the Fourth Proportional to 131,609.82, 197,414.73 and 38,115.57

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Solution

The fourth proportional to 131,609.82, 197,414.73 and 38,115.57 is: 57,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,609.82 : 197,414.73 = 38,115.57 : x
  2. Step 2: Convert to fraction form
    131,609.82/197,414.73 = 38,115.57/x
  3. Step 3: Cross multiply
    131,609.82x = 197,414.73 × 38,115.57
  4. Step 4: Simplify right side
    131,609.82x = 7,524,574,960.35
  5. Step 5: Solve for x
    x = 7,524,574,960.35/131,609.82
  6. Step 6: Final answer
    x = 57,173.36

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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.