Home / 250,398.48-345,550.20-137,221.52

Finding the Fourth Proportional to 250,398.48, 345,550.20 and 137,221.52

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Solution

The fourth proportional to 250,398.48, 345,550.20 and 137,221.52 is: 189,365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,398.48 : 345,550.20 = 137,221.52 : x
  2. Step 2: Convert to fraction form
    250,398.48/345,550.20 = 137,221.52/x
  3. Step 3: Cross multiply
    250,398.48x = 345,550.20 × 137,221.52
  4. Step 4: Simplify right side
    250,398.48x = 47,416,923,680.30
  5. Step 5: Solve for x
    x = 47,416,923,680.30/250,398.48
  6. Step 6: Final answer
    x = 189,365.86

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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.