Home / 198,937.30-298,409.10-110,751.31

Finding the Fourth Proportional to 198,937.30, 298,409.10 and 110,751.31

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Solution

The fourth proportional to 198,937.30, 298,409.10 and 110,751.31 is: 166,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,937.30 : 298,409.10 = 110,751.31 : x
  2. Step 2: Convert to fraction form
    198,937.30/298,409.10 = 110,751.31/x
  3. Step 3: Cross multiply
    198,937.30x = 298,409.10 × 110,751.31
  4. Step 4: Simplify right side
    198,937.30x = 33,049,198,740.92
  5. Step 5: Solve for x
    x = 33,049,198,740.92/198,937.30
  6. Step 6: Final answer
    x = 166,128.72

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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.