Home / 197,426.87-296,171.26-85,139.00

Finding the Fourth Proportional to 197,426.87, 296,171.26 and 85,139.00

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Solution

The fourth proportional to 197,426.87, 296,171.26 and 85,139.00 is: 127,721.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,426.87 : 296,171.26 = 85,139.00 : x
  2. Step 2: Convert to fraction form
    197,426.87/296,171.26 = 85,139.00/x
  3. Step 3: Cross multiply
    197,426.87x = 296,171.26 × 85,139.00
  4. Step 4: Simplify right side
    197,426.87x = 25,215,723,211.44
  5. Step 5: Solve for x
    x = 25,215,723,211.44/197,426.87
  6. Step 6: Final answer
    x = 127,721.84

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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.