Home / 149,313.20-205,979.62-95,555.12

Finding the Fourth Proportional to 149,313.20, 205,979.62 and 95,555.12

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Solution

The fourth proportional to 149,313.20, 205,979.62 and 95,555.12 is: 131,819.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,313.20 : 205,979.62 = 95,555.12 : x
  2. Step 2: Convert to fraction form
    149,313.20/205,979.62 = 95,555.12/x
  3. Step 3: Cross multiply
    149,313.20x = 205,979.62 × 95,555.12
  4. Step 4: Simplify right side
    149,313.20x = 19,682,407,306.65
  5. Step 5: Solve for x
    x = 19,682,407,306.65/149,313.20
  6. Step 6: Final answer
    x = 131,819.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.