Home / 198,716.18-298,103.91-65,610.50

Finding the Fourth Proportional to 198,716.18, 298,103.91 and 65,610.50

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Solution

The fourth proportional to 198,716.18, 298,103.91 and 65,610.50 is: 98,425.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,716.18 : 298,103.91 = 65,610.50 : x
  2. Step 2: Convert to fraction form
    198,716.18/298,103.91 = 65,610.50/x
  3. Step 3: Cross multiply
    198,716.18x = 298,103.91 × 65,610.50
  4. Step 4: Simplify right side
    198,716.18x = 19,558,746,587.06
  5. Step 5: Solve for x
    x = 19,558,746,587.06/198,716.18
  6. Step 6: Final answer
    x = 98,425.54

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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.