Home / 107,857.26-161,786.25-32,977.11

Finding the Fourth Proportional to 107,857.26, 161,786.25 and 32,977.11

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Solution

The fourth proportional to 107,857.26, 161,786.25 and 32,977.11 is: 49,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,857.26 : 161,786.25 = 32,977.11 : x
  2. Step 2: Convert to fraction form
    107,857.26/161,786.25 = 32,977.11/x
  3. Step 3: Cross multiply
    107,857.26x = 161,786.25 × 32,977.11
  4. Step 4: Simplify right side
    107,857.26x = 5,335,242,962.74
  5. Step 5: Solve for x
    x = 5,335,242,962.74/107,857.26
  6. Step 6: Final answer
    x = 49,465.78

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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.