Home / 198,145.73-297,241.14-71,845.46

Finding the Fourth Proportional to 198,145.73, 297,241.14 and 71,845.46

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Solution

The fourth proportional to 198,145.73, 297,241.14 and 71,845.46 is: 107,776.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,145.73 : 297,241.14 = 71,845.46 : x
  2. Step 2: Convert to fraction form
    198,145.73/297,241.14 = 71,845.46/x
  3. Step 3: Cross multiply
    198,145.73x = 297,241.14 × 71,845.46
  4. Step 4: Simplify right side
    198,145.73x = 21,355,424,948.02
  5. Step 5: Solve for x
    x = 21,355,424,948.02/198,145.73
  6. Step 6: Final answer
    x = 107,776.36

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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.