Home / 161,115.22-222,339.12-88,522.80

Finding the Fourth Proportional to 161,115.22, 222,339.12 and 88,522.80

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Solution

The fourth proportional to 161,115.22, 222,339.12 and 88,522.80 is: 122,161.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,115.22 : 222,339.12 = 88,522.80 : x
  2. Step 2: Convert to fraction form
    161,115.22/222,339.12 = 88,522.80/x
  3. Step 3: Cross multiply
    161,115.22x = 222,339.12 × 88,522.80
  4. Step 4: Simplify right side
    161,115.22x = 19,682,081,451.94
  5. Step 5: Solve for x
    x = 19,682,081,451.94/161,115.22
  6. Step 6: Final answer
    x = 122,161.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.