Home / 197,997.38-296,987.96-71,640.62

Finding the Fourth Proportional to 197,997.38, 296,987.96 and 71,640.62

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Solution

The fourth proportional to 197,997.38, 296,987.96 and 71,640.62 is: 107,458.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,997.38 : 296,987.96 = 71,640.62 : x
  2. Step 2: Convert to fraction form
    197,997.38/296,987.96 = 71,640.62/x
  3. Step 3: Cross multiply
    197,997.38x = 296,987.96 × 71,640.62
  4. Step 4: Simplify right side
    197,997.38x = 21,276,401,586.94
  5. Step 5: Solve for x
    x = 21,276,401,586.94/197,997.38
  6. Step 6: Final answer
    x = 107,458.00

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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.