Home / 198,226.04-297,272.42-71,839.82

Finding the Fourth Proportional to 198,226.04, 297,272.42 and 71,839.82

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Solution

The fourth proportional to 198,226.04, 297,272.42 and 71,839.82 is: 107,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,226.04 : 297,272.42 = 71,839.82 : x
  2. Step 2: Convert to fraction form
    198,226.04/297,272.42 = 71,839.82/x
  3. Step 3: Cross multiply
    198,226.04x = 297,272.42 × 71,839.82
  4. Step 4: Simplify right side
    198,226.04x = 21,355,997,527.75
  5. Step 5: Solve for x
    x = 21,355,997,527.75/198,226.04
  6. Step 6: Final answer
    x = 107,735.58

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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.