Home / 115,489.09-173,233.49-84,098.81

Finding the Fourth Proportional to 115,489.09, 173,233.49 and 84,098.81

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Solution

The fourth proportional to 115,489.09, 173,233.49 and 84,098.81 is: 126,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,489.09 : 173,233.49 = 84,098.81 : x
  2. Step 2: Convert to fraction form
    115,489.09/173,233.49 = 84,098.81/x
  3. Step 3: Cross multiply
    115,489.09x = 173,233.49 × 84,098.81
  4. Step 4: Simplify right side
    115,489.09x = 14,568,729,399.30
  5. Step 5: Solve for x
    x = 14,568,729,399.30/115,489.09
  6. Step 6: Final answer
    x = 126,148.10

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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.