Home / 198,840.29-298,197.25-65,695.73

Finding the Fourth Proportional to 198,840.29, 298,197.25 and 65,695.73

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Solution

The fourth proportional to 198,840.29, 298,197.25 and 65,695.73 is: 98,522.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,840.29 : 298,197.25 = 65,695.73 : x
  2. Step 2: Convert to fraction form
    198,840.29/298,197.25 = 65,695.73/x
  3. Step 3: Cross multiply
    198,840.29x = 298,197.25 × 65,695.73
  4. Step 4: Simplify right side
    198,840.29x = 19,590,284,367.52
  5. Step 5: Solve for x
    x = 19,590,284,367.52/198,840.29
  6. Step 6: Final answer
    x = 98,522.71

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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.