Home / 198,746.62-298,234.76-105,252.38

Finding the Fourth Proportional to 198,746.62, 298,234.76 and 105,252.38

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Solution

The fourth proportional to 198,746.62, 298,234.76 and 105,252.38 is: 157,939.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,746.62 : 298,234.76 = 105,252.38 : x
  2. Step 2: Convert to fraction form
    198,746.62/298,234.76 = 105,252.38/x
  3. Step 3: Cross multiply
    198,746.62x = 298,234.76 × 105,252.38
  4. Step 4: Simplify right side
    198,746.62x = 31,389,918,288.73
  5. Step 5: Solve for x
    x = 31,389,918,288.73/198,746.62
  6. Step 6: Final answer
    x = 157,939.38

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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.