Home / 206,839.30-309,971.90-94,244.35

Finding the Fourth Proportional to 206,839.30, 309,971.90 and 94,244.35

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Solution

The fourth proportional to 206,839.30, 309,971.90 and 94,244.35 is: 141,235.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,839.30 : 309,971.90 = 94,244.35 : x
  2. Step 2: Convert to fraction form
    206,839.30/309,971.90 = 94,244.35/x
  3. Step 3: Cross multiply
    206,839.30x = 309,971.90 × 94,244.35
  4. Step 4: Simplify right side
    206,839.30x = 29,213,099,694.45
  5. Step 5: Solve for x
    x = 29,213,099,694.45/206,839.30
  6. Step 6: Final answer
    x = 141,235.73

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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.