Home / 198,933.30-298,403.10-110,747.31

Finding the Fourth Proportional to 198,933.30, 298,403.10 and 110,747.31

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Solution

The fourth proportional to 198,933.30, 298,403.10 and 110,747.31 is: 166,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,933.30 : 298,403.10 = 110,747.31 : x
  2. Step 2: Convert to fraction form
    198,933.30/298,403.10 = 110,747.31/x
  3. Step 3: Cross multiply
    198,933.30x = 298,403.10 × 110,747.31
  4. Step 4: Simplify right side
    198,933.30x = 33,047,339,128.65
  5. Step 5: Solve for x
    x = 33,047,339,128.65/198,933.30
  6. Step 6: Final answer
    x = 166,122.72

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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.