Home / 107,857.51-161,786.26-32,977.65

Finding the Fourth Proportional to 107,857.51, 161,786.26 and 32,977.65

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Solution

The fourth proportional to 107,857.51, 161,786.26 and 32,977.65 is: 49,466.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,857.51 : 161,786.26 = 32,977.65 : x
  2. Step 2: Convert to fraction form
    107,857.51/161,786.26 = 32,977.65/x
  3. Step 3: Cross multiply
    107,857.51x = 161,786.26 × 32,977.65
  4. Step 4: Simplify right side
    107,857.51x = 5,335,331,305.01
  5. Step 5: Solve for x
    x = 5,335,331,305.01/107,857.51
  6. Step 6: Final answer
    x = 49,466.48

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1.5x scale

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.