Home / 198,930.79-298,399.34-110,744.81

Finding the Fourth Proportional to 198,930.79, 298,399.34 and 110,744.81

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Solution

The fourth proportional to 198,930.79, 298,399.34 and 110,744.81 is: 166,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,930.79 : 298,399.34 = 110,744.81 : x
  2. Step 2: Convert to fraction form
    198,930.79/298,399.34 = 110,744.81/x
  3. Step 3: Cross multiply
    198,930.79x = 298,399.34 × 110,744.81
  4. Step 4: Simplify right side
    198,930.79x = 33,046,178,116.29
  5. Step 5: Solve for x
    x = 33,046,178,116.29/198,930.79
  6. Step 6: Final answer
    x = 166,118.97

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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.