Home / 197,721.75-296,521.29-71,345.55

Finding the Fourth Proportional to 197,721.75, 296,521.29 and 71,345.55

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Solution

The fourth proportional to 197,721.75, 296,521.29 and 71,345.55 is: 106,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,721.75 : 296,521.29 = 71,345.55 : x
  2. Step 2: Convert to fraction form
    197,721.75/296,521.29 = 71,345.55/x
  3. Step 3: Cross multiply
    197,721.75x = 296,521.29 × 71,345.55
  4. Step 4: Simplify right side
    197,721.75x = 21,155,474,521.76
  5. Step 5: Solve for x
    x = 21,155,474,521.76/197,721.75
  6. Step 6: Final answer
    x = 106,996.19

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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.