Home / 203,979.80-306,025.08-61,819.34

Finding the Fourth Proportional to 203,979.80, 306,025.08 and 61,819.34

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Solution

The fourth proportional to 203,979.80, 306,025.08 and 61,819.34 is: 92,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,979.80 : 306,025.08 = 61,819.34 : x
  2. Step 2: Convert to fraction form
    203,979.80/306,025.08 = 61,819.34/x
  3. Step 3: Cross multiply
    203,979.80x = 306,025.08 × 61,819.34
  4. Step 4: Simplify right side
    203,979.80x = 18,918,268,469.05
  5. Step 5: Solve for x
    x = 18,918,268,469.05/203,979.80
  6. Step 6: Final answer
    x = 92,745.79

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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.