Home / 222,279.12-306,742.82-120,302.46

Finding the Fourth Proportional to 222,279.12, 306,742.82 and 120,302.46

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Solution

The fourth proportional to 222,279.12, 306,742.82 and 120,302.46 is: 166,016.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,279.12 : 306,742.82 = 120,302.46 : x
  2. Step 2: Convert to fraction form
    222,279.12/306,742.82 = 120,302.46/x
  3. Step 3: Cross multiply
    222,279.12x = 306,742.82 × 120,302.46
  4. Step 4: Simplify right side
    222,279.12x = 36,901,915,231.82
  5. Step 5: Solve for x
    x = 36,901,915,231.82/222,279.12
  6. Step 6: Final answer
    x = 166,016.11

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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.