Home / 222,257.46-306,712.20-126,765.75

Finding the Fourth Proportional to 222,257.46, 306,712.20 and 126,765.75

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Solution

The fourth proportional to 222,257.46, 306,712.20 and 126,765.75 is: 174,934.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,257.46 : 306,712.20 = 126,765.75 : x
  2. Step 2: Convert to fraction form
    222,257.46/306,712.20 = 126,765.75/x
  3. Step 3: Cross multiply
    222,257.46x = 306,712.20 × 126,765.75
  4. Step 4: Simplify right side
    222,257.46x = 38,880,602,067.15
  5. Step 5: Solve for x
    x = 38,880,602,067.15/222,257.46
  6. Step 6: Final answer
    x = 174,934.97

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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.