Home / 222,116.28-306,519.33-120,141.63

Finding the Fourth Proportional to 222,116.28, 306,519.33 and 120,141.63

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Solution

The fourth proportional to 222,116.28, 306,519.33 and 120,141.63 is: 165,794.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,116.28 : 306,519.33 = 120,141.63 : x
  2. Step 2: Convert to fraction form
    222,116.28/306,519.33 = 120,141.63/x
  3. Step 3: Cross multiply
    222,116.28x = 306,519.33 × 120,141.63
  4. Step 4: Simplify right side
    222,116.28x = 36,825,731,932.71
  5. Step 5: Solve for x
    x = 36,825,731,932.71/222,116.28
  6. Step 6: Final answer
    x = 165,794.83

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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.