Home / 141,976.20-212,769.90-115,732.20

Finding the Fourth Proportional to 141,976.20, 212,769.90 and 115,732.20

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Solution

The fourth proportional to 141,976.20, 212,769.90 and 115,732.20 is: 173,439.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,976.20 : 212,769.90 = 115,732.20 : x
  2. Step 2: Convert to fraction form
    141,976.20/212,769.90 = 115,732.20/x
  3. Step 3: Cross multiply
    141,976.20x = 212,769.90 × 115,732.20
  4. Step 4: Simplify right side
    141,976.20x = 24,624,328,620.78
  5. Step 5: Solve for x
    x = 24,624,328,620.78/141,976.20
  6. Step 6: Final answer
    x = 173,439.83

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1.5x scale

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.