Home / 106,183.05-159,248.97-31,282.89

Finding the Fourth Proportional to 106,183.05, 159,248.97 and 31,282.89

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Solution

The fourth proportional to 106,183.05, 159,248.97 and 31,282.89 is: 46,916.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,183.05 : 159,248.97 = 31,282.89 : x
  2. Step 2: Convert to fraction form
    106,183.05/159,248.97 = 31,282.89/x
  3. Step 3: Cross multiply
    106,183.05x = 159,248.97 × 31,282.89
  4. Step 4: Simplify right side
    106,183.05x = 4,981,768,011.12
  5. Step 5: Solve for x
    x = 4,981,768,011.12/106,183.05
  6. Step 6: Final answer
    x = 46,916.79

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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.