Home / 250,003.88-345,011.30-142,584.20

Finding the Fourth Proportional to 250,003.88, 345,011.30 and 142,584.20

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Solution

The fourth proportional to 250,003.88, 345,011.30 and 142,584.20 is: 196,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,003.88 : 345,011.30 = 142,584.20 : x
  2. Step 2: Convert to fraction form
    250,003.88/345,011.30 = 142,584.20/x
  3. Step 3: Cross multiply
    250,003.88x = 345,011.30 × 142,584.20
  4. Step 4: Simplify right side
    250,003.88x = 49,193,160,201.46
  5. Step 5: Solve for x
    x = 49,193,160,201.46/250,003.88
  6. Step 6: Final answer
    x = 196,769.59

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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.