Home / 113,550.26-170,131.69-80,206.10

Finding the Fourth Proportional to 113,550.26, 170,131.69 and 80,206.10

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Solution

The fourth proportional to 113,550.26, 170,131.69 and 80,206.10 is: 120,172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,550.26 : 170,131.69 = 80,206.10 : x
  2. Step 2: Convert to fraction form
    113,550.26/170,131.69 = 80,206.10/x
  3. Step 3: Cross multiply
    113,550.26x = 170,131.69 × 80,206.10
  4. Step 4: Simplify right side
    113,550.26x = 13,645,599,228.90
  5. Step 5: Solve for x
    x = 13,645,599,228.90/113,550.26
  6. Step 6: Final answer
    x = 120,172.33

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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.