Home / 206,190.14-309,172.61-62,074.94

Finding the Fourth Proportional to 206,190.14, 309,172.61 and 62,074.94

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Solution

The fourth proportional to 206,190.14, 309,172.61 and 62,074.94 is: 93,078.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,190.14 : 309,172.61 = 62,074.94 : x
  2. Step 2: Convert to fraction form
    206,190.14/309,172.61 = 62,074.94/x
  3. Step 3: Cross multiply
    206,190.14x = 309,172.61 × 62,074.94
  4. Step 4: Simplify right side
    206,190.14x = 19,191,869,824.72
  5. Step 5: Solve for x
    x = 19,191,869,824.72/206,190.14
  6. Step 6: Final answer
    x = 93,078.51

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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.