Home / 197,900.20-296,850.30-73,289.80

Finding the Fourth Proportional to 197,900.20, 296,850.30 and 73,289.80

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Solution

The fourth proportional to 197,900.20, 296,850.30 and 73,289.80 is: 109,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,900.20 : 296,850.30 = 73,289.80 : x
  2. Step 2: Convert to fraction form
    197,900.20/296,850.30 = 73,289.80/x
  3. Step 3: Cross multiply
    197,900.20x = 296,850.30 × 73,289.80
  4. Step 4: Simplify right side
    197,900.20x = 21,756,099,116.94
  5. Step 5: Solve for x
    x = 21,756,099,116.94/197,900.20
  6. Step 6: Final answer
    x = 109,934.70

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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.