Home / 222,116.20-306,517.62-126,619.72

Finding the Fourth Proportional to 222,116.20, 306,517.62 and 126,619.72

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Solution

The fourth proportional to 222,116.20, 306,517.62 and 126,619.72 is: 174,733.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,116.20 : 306,517.62 = 126,619.72 : x
  2. Step 2: Convert to fraction form
    222,116.20/306,517.62 = 126,619.72/x
  3. Step 3: Cross multiply
    222,116.20x = 306,517.62 × 126,619.72
  4. Step 4: Simplify right side
    222,116.20x = 38,811,175,219.47
  5. Step 5: Solve for x
    x = 38,811,175,219.47/222,116.20
  6. Step 6: Final answer
    x = 174,733.65

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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.