Home / 198,305.16-297,462.68-65,180.04

Finding the Fourth Proportional to 198,305.16, 297,462.68 and 65,180.04

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Solution

The fourth proportional to 198,305.16, 297,462.68 and 65,180.04 is: 97,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,305.16 : 297,462.68 = 65,180.04 : x
  2. Step 2: Convert to fraction form
    198,305.16/297,462.68 = 65,180.04/x
  3. Step 3: Cross multiply
    198,305.16x = 297,462.68 × 65,180.04
  4. Step 4: Simplify right side
    198,305.16x = 19,388,629,380.91
  5. Step 5: Solve for x
    x = 19,388,629,380.91/198,305.16
  6. Step 6: Final answer
    x = 97,771.68

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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.