Home / 137,975.73-206,923.62-53,717.12

Finding the Fourth Proportional to 137,975.73, 206,923.62 and 53,717.12

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Solution

The fourth proportional to 137,975.73, 206,923.62 and 53,717.12 is: 80,560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,975.73 : 206,923.62 = 53,717.12 : x
  2. Step 2: Convert to fraction form
    137,975.73/206,923.62 = 53,717.12/x
  3. Step 3: Cross multiply
    137,975.73x = 206,923.62 × 53,717.12
  4. Step 4: Simplify right side
    137,975.73x = 11,115,339,891.76
  5. Step 5: Solve for x
    x = 11,115,339,891.76/137,975.73
  6. Step 6: Final answer
    x = 80,560.11

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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.