Home / 250,735.20-345,930.42-143,229.12

Finding the Fourth Proportional to 250,735.20, 345,930.42 and 143,229.12

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Solution

The fourth proportional to 250,735.20, 345,930.42 and 143,229.12 is: 197,608.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,735.20 : 345,930.42 = 143,229.12 : x
  2. Step 2: Convert to fraction form
    250,735.20/345,930.42 = 143,229.12/x
  3. Step 3: Cross multiply
    250,735.20x = 345,930.42 × 143,229.12
  4. Step 4: Simplify right side
    250,735.20x = 49,547,309,637.83
  5. Step 5: Solve for x
    x = 49,547,309,637.83/250,735.20
  6. Step 6: Final answer
    x = 197,608.11

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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.