Home / 110,480.15-165,786.85-39,397.39

Finding the Fourth Proportional to 110,480.15, 165,786.85 and 39,397.39

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Solution

The fourth proportional to 110,480.15, 165,786.85 and 39,397.39 is: 59,119.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,480.15 : 165,786.85 = 39,397.39 : x
  2. Step 2: Convert to fraction form
    110,480.15/165,786.85 = 39,397.39/x
  3. Step 3: Cross multiply
    110,480.15x = 165,786.85 × 39,397.39
  4. Step 4: Simplify right side
    110,480.15x = 6,531,568,821.10
  5. Step 5: Solve for x
    x = 6,531,568,821.10/110,480.15
  6. Step 6: Final answer
    x = 59,119.84

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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.