Home / 212,226.35-318,241.10-123,505.22

Finding the Fourth Proportional to 212,226.35, 318,241.10 and 123,505.22

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Solution

The fourth proportional to 212,226.35, 318,241.10 and 123,505.22 is: 185,200.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,226.35 : 318,241.10 = 123,505.22 : x
  2. Step 2: Convert to fraction form
    212,226.35/318,241.10 = 123,505.22/x
  3. Step 3: Cross multiply
    212,226.35x = 318,241.10 × 123,505.22
  4. Step 4: Simplify right side
    212,226.35x = 39,304,438,172.91
  5. Step 5: Solve for x
    x = 39,304,438,172.91/212,226.35
  6. Step 6: Final answer
    x = 185,200.56

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1.5x scale

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.