Home / 248,961.20-373,441.80-80,481.20

Finding the Fourth Proportional to 248,961.20, 373,441.80 and 80,481.20

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Solution

The fourth proportional to 248,961.20, 373,441.80 and 80,481.20 is: 120,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,961.20 : 373,441.80 = 80,481.20 : x
  2. Step 2: Convert to fraction form
    248,961.20/373,441.80 = 80,481.20/x
  3. Step 3: Cross multiply
    248,961.20x = 373,441.80 × 80,481.20
  4. Step 4: Simplify right side
    248,961.20x = 30,055,044,194.16
  5. Step 5: Solve for x
    x = 30,055,044,194.16/248,961.20
  6. Step 6: Final answer
    x = 120,721.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.