Home / 248,529.20-372,765.87-68,640.20

Finding the Fourth Proportional to 248,529.20, 372,765.87 and 68,640.20

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Solution

The fourth proportional to 248,529.20, 372,765.87 and 68,640.20 is: 102,952.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,529.20 : 372,765.87 = 68,640.20 : x
  2. Step 2: Convert to fraction form
    248,529.20/372,765.87 = 68,640.20/x
  3. Step 3: Cross multiply
    248,529.20x = 372,765.87 × 68,640.20
  4. Step 4: Simplify right side
    248,529.20x = 25,586,722,548.66
  5. Step 5: Solve for x
    x = 25,586,722,548.66/248,529.20
  6. Step 6: Final answer
    x = 102,952.58

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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.