Home / 107,628.81-161,467.79-32,759.57

Finding the Fourth Proportional to 107,628.81, 161,467.79 and 32,759.57

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Solution

The fourth proportional to 107,628.81, 161,467.79 and 32,759.57 is: 49,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,628.81 : 161,467.79 = 32,759.57 : x
  2. Step 2: Convert to fraction form
    107,628.81/161,467.79 = 32,759.57/x
  3. Step 3: Cross multiply
    107,628.81x = 161,467.79 × 32,759.57
  4. Step 4: Simplify right side
    107,628.81x = 5,289,614,398.11
  5. Step 5: Solve for x
    x = 5,289,614,398.11/107,628.81
  6. Step 6: Final answer
    x = 49,146.83

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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.