Home / 197,716.75-296,513.79-71,340.55

Finding the Fourth Proportional to 197,716.75, 296,513.79 and 71,340.55

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Solution

The fourth proportional to 197,716.75, 296,513.79 and 71,340.55 is: 106,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,716.75 : 296,513.79 = 71,340.55 : x
  2. Step 2: Convert to fraction form
    197,716.75/296,513.79 = 71,340.55/x
  3. Step 3: Cross multiply
    197,716.75x = 296,513.79 × 71,340.55
  4. Step 4: Simplify right side
    197,716.75x = 21,153,456,861.18
  5. Step 5: Solve for x
    x = 21,153,456,861.18/197,716.75
  6. Step 6: Final answer
    x = 106,988.69

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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.