Home / 222,119.36-306,524.40-121,517.36

Finding the Fourth Proportional to 222,119.36, 306,524.40 and 121,517.36

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Solution

The fourth proportional to 222,119.36, 306,524.40 and 121,517.36 is: 167,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,119.36 : 306,524.40 = 121,517.36 : x
  2. Step 2: Convert to fraction form
    222,119.36/306,524.40 = 121,517.36/x
  3. Step 3: Cross multiply
    222,119.36x = 306,524.40 × 121,517.36
  4. Step 4: Simplify right side
    222,119.36x = 37,248,035,863.58
  5. Step 5: Solve for x
    x = 37,248,035,863.58/222,119.36
  6. Step 6: Final answer
    x = 167,693.78

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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.