Home / 197,620.09-296,248.49-71,229.40

Finding the Fourth Proportional to 197,620.09, 296,248.49 and 71,229.40

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Solution

The fourth proportional to 197,620.09, 296,248.49 and 71,229.40 is: 106,778.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,620.09 : 296,248.49 = 71,229.40 : x
  2. Step 2: Convert to fraction form
    197,620.09/296,248.49 = 71,229.40/x
  3. Step 3: Cross multiply
    197,620.09x = 296,248.49 × 71,229.40
  4. Step 4: Simplify right side
    197,620.09x = 21,101,602,193.61
  5. Step 5: Solve for x
    x = 21,101,602,193.61/197,620.09
  6. Step 6: Final answer
    x = 106,778.63

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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.