Home / 198,845.92-298,315.60-65,726.19

Finding the Fourth Proportional to 198,845.92, 298,315.60 and 65,726.19

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Solution

The fourth proportional to 198,845.92, 298,315.60 and 65,726.19 is: 98,604.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,845.92 : 298,315.60 = 65,726.19 : x
  2. Step 2: Convert to fraction form
    198,845.92/298,315.60 = 65,726.19/x
  3. Step 3: Cross multiply
    198,845.92x = 298,315.60 × 65,726.19
  4. Step 4: Simplify right side
    198,845.92x = 19,607,145,985.36
  5. Step 5: Solve for x
    x = 19,607,145,985.36/198,845.92
  6. Step 6: Final answer
    x = 98,604.72

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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.