Home / 250,220.43-345,309.98-142,800.48

Finding the Fourth Proportional to 250,220.43, 345,309.98 and 142,800.48

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Solution

The fourth proportional to 250,220.43, 345,309.98 and 142,800.48 is: 197,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,220.43 : 345,309.98 = 142,800.48 : x
  2. Step 2: Convert to fraction form
    250,220.43/345,309.98 = 142,800.48/x
  3. Step 3: Cross multiply
    250,220.43x = 345,309.98 × 142,800.48
  4. Step 4: Simplify right side
    250,220.43x = 49,310,430,178.79
  5. Step 5: Solve for x
    x = 49,310,430,178.79/250,220.43
  6. Step 6: Final answer
    x = 197,067.96

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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.