Home / 250,313.82-345,381.30-142,918.80

Finding the Fourth Proportional to 250,313.82, 345,381.30 and 142,918.80

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Solution

The fourth proportional to 250,313.82, 345,381.30 and 142,918.80 is: 197,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,313.82 : 345,381.30 = 142,918.80 : x
  2. Step 2: Convert to fraction form
    250,313.82/345,381.30 = 142,918.80/x
  3. Step 3: Cross multiply
    250,313.82x = 345,381.30 × 142,918.80
  4. Step 4: Simplify right side
    250,313.82x = 49,361,480,938.44
  5. Step 5: Solve for x
    x = 49,361,480,938.44/250,313.82
  6. Step 6: Final answer
    x = 197,198.38

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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.