Home / 206,166.47-309,059.40-143,016.38

Finding the Fourth Proportional to 206,166.47, 309,059.40 and 143,016.38

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Solution

The fourth proportional to 206,166.47, 309,059.40 and 143,016.38 is: 214,392.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,166.47 : 309,059.40 = 143,016.38 : x
  2. Step 2: Convert to fraction form
    206,166.47/309,059.40 = 143,016.38/x
  3. Step 3: Cross multiply
    206,166.47x = 309,059.40 × 143,016.38
  4. Step 4: Simplify right side
    206,166.47x = 44,200,555,047.68
  5. Step 5: Solve for x
    x = 44,200,555,047.68/206,166.47
  6. Step 6: Final answer
    x = 214,392.55

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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.