Home / 206,096.58-309,134.61-120,755.70

Finding the Fourth Proportional to 206,096.58, 309,134.61 and 120,755.70

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Solution

The fourth proportional to 206,096.58, 309,134.61 and 120,755.70 is: 181,127.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,096.58 : 309,134.61 = 120,755.70 : x
  2. Step 2: Convert to fraction form
    206,096.58/309,134.61 = 120,755.70/x
  3. Step 3: Cross multiply
    206,096.58x = 309,134.61 × 120,755.70
  4. Step 4: Simplify right side
    206,096.58x = 37,329,766,224.78
  5. Step 5: Solve for x
    x = 37,329,766,224.78/206,096.58
  6. Step 6: Final answer
    x = 181,127.54

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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.