Home / 197,713.85-296,661.11-107,621.60

Finding the Fourth Proportional to 197,713.85, 296,661.11 and 107,621.60

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Solution

The fourth proportional to 197,713.85, 296,661.11 and 107,621.60 is: 161,481.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,713.85 : 296,661.11 = 107,621.60 : x
  2. Step 2: Convert to fraction form
    197,713.85/296,661.11 = 107,621.60/x
  3. Step 3: Cross multiply
    197,713.85x = 296,661.11 × 107,621.60
  4. Step 4: Simplify right side
    197,713.85x = 31,927,141,294.56
  5. Step 5: Solve for x
    x = 31,927,141,294.56/197,713.85
  6. Step 6: Final answer
    x = 161,481.57

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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.