Home / 222,169.11-306,592.07-120,194.25

Finding the Fourth Proportional to 222,169.11, 306,592.07 and 120,194.25

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Solution

The fourth proportional to 222,169.11, 306,592.07 and 120,194.25 is: 165,867.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,169.11 : 306,592.07 = 120,194.25 : x
  2. Step 2: Convert to fraction form
    222,169.11/306,592.07 = 120,194.25/x
  3. Step 3: Cross multiply
    222,169.11x = 306,592.07 × 120,194.25
  4. Step 4: Simplify right side
    222,169.11x = 36,850,603,308.63
  5. Step 5: Solve for x
    x = 36,850,603,308.63/222,169.11
  6. Step 6: Final answer
    x = 165,867.36

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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.