Home / 198,786.87-298,023.48-98,892.54

Finding the Fourth Proportional to 198,786.87, 298,023.48 and 98,892.54

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Solution

The fourth proportional to 198,786.87, 298,023.48 and 98,892.54 is: 148,260.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,786.87 : 298,023.48 = 98,892.54 : x
  2. Step 2: Convert to fraction form
    198,786.87/298,023.48 = 98,892.54/x
  3. Step 3: Cross multiply
    198,786.87x = 298,023.48 × 98,892.54
  4. Step 4: Simplify right side
    198,786.87x = 29,472,298,916.84
  5. Step 5: Solve for x
    x = 29,472,298,916.84/198,786.87
  6. Step 6: Final answer
    x = 148,260.79

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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.