Home / 250,184.72-345,229.13-142,734.07

Finding the Fourth Proportional to 250,184.72, 345,229.13 and 142,734.07

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Solution

The fourth proportional to 250,184.72, 345,229.13 and 142,734.07 is: 196,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,184.72 : 345,229.13 = 142,734.07 : x
  2. Step 2: Convert to fraction form
    250,184.72/345,229.13 = 142,734.07/x
  3. Step 3: Cross multiply
    250,184.72x = 345,229.13 × 142,734.07
  4. Step 4: Simplify right side
    250,184.72x = 49,275,957,081.31
  5. Step 5: Solve for x
    x = 49,275,957,081.31/250,184.72
  6. Step 6: Final answer
    x = 196,958.30

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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.