Home / 250,734.20-345,929.05-143,228.12

Finding the Fourth Proportional to 250,734.20, 345,929.05 and 143,228.12

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Solution

The fourth proportional to 250,734.20, 345,929.05 and 143,228.12 is: 197,606.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,734.20 : 345,929.05 = 143,228.12 : x
  2. Step 2: Convert to fraction form
    250,734.20/345,929.05 = 143,228.12/x
  3. Step 3: Cross multiply
    250,734.20x = 345,929.05 × 143,228.12
  4. Step 4: Simplify right side
    250,734.20x = 49,546,766,768.75
  5. Step 5: Solve for x
    x = 49,546,766,768.75/250,734.20
  6. Step 6: Final answer
    x = 197,606.74

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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.