Home / 198,146.23-297,241.89-71,845.96

Finding the Fourth Proportional to 198,146.23, 297,241.89 and 71,845.96

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Solution

The fourth proportional to 198,146.23, 297,241.89 and 71,845.96 is: 107,777.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,146.23 : 297,241.89 = 71,845.96 : x
  2. Step 2: Convert to fraction form
    198,146.23/297,241.89 = 71,845.96/x
  3. Step 3: Cross multiply
    198,146.23x = 297,241.89 × 71,845.96
  4. Step 4: Simplify right side
    198,146.23x = 21,355,627,453.06
  5. Step 5: Solve for x
    x = 21,355,627,453.06/198,146.23
  6. Step 6: Final answer
    x = 107,777.11

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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.