Home / 197,738.71-296,476.84-138,645.97

Finding the Fourth Proportional to 197,738.71, 296,476.84 and 138,645.97

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Solution

The fourth proportional to 197,738.71, 296,476.84 and 138,645.97 is: 207,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,738.71 : 296,476.84 = 138,645.97 : x
  2. Step 2: Convert to fraction form
    197,738.71/296,476.84 = 138,645.97/x
  3. Step 3: Cross multiply
    197,738.71x = 296,476.84 × 138,645.97
  4. Step 4: Simplify right side
    197,738.71x = 41,105,319,064.33
  5. Step 5: Solve for x
    x = 41,105,319,064.33/197,738.71
  6. Step 6: Final answer
    x = 207,876.95

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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.