Home / 248,439.20-372,625.20-98,789.60

Finding the Fourth Proportional to 248,439.20, 372,625.20 and 98,789.60

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Solution

The fourth proportional to 248,439.20, 372,625.20 and 98,789.60 is: 148,171.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,439.20 : 372,625.20 = 98,789.60 : x
  2. Step 2: Convert to fraction form
    248,439.20/372,625.20 = 98,789.60/x
  3. Step 3: Cross multiply
    248,439.20x = 372,625.20 × 98,789.60
  4. Step 4: Simplify right side
    248,439.20x = 36,811,494,457.92
  5. Step 5: Solve for x
    x = 36,811,494,457.92/248,439.20
  6. Step 6: Final answer
    x = 148,171.04

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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.