Home / 106,370.20-159,555.30-36,251.80

Finding the Fourth Proportional to 106,370.20, 159,555.30 and 36,251.80

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Solution

The fourth proportional to 106,370.20, 159,555.30 and 36,251.80 is: 54,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,370.20 : 159,555.30 = 36,251.80 : x
  2. Step 2: Convert to fraction form
    106,370.20/159,555.30 = 36,251.80/x
  3. Step 3: Cross multiply
    106,370.20x = 159,555.30 × 36,251.80
  4. Step 4: Simplify right side
    106,370.20x = 5,784,166,824.54
  5. Step 5: Solve for x
    x = 5,784,166,824.54/106,370.20
  6. Step 6: Final answer
    x = 54,377.70

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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.