Home / 222,099.20-306,495.96-120,124.76

Finding the Fourth Proportional to 222,099.20, 306,495.96 and 120,124.76

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Solution

The fourth proportional to 222,099.20, 306,495.96 and 120,124.76 is: 165,771.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,099.20 : 306,495.96 = 120,124.76 : x
  2. Step 2: Convert to fraction form
    222,099.20/306,495.96 = 120,124.76/x
  3. Step 3: Cross multiply
    222,099.20x = 306,495.96 × 120,124.76
  4. Step 4: Simplify right side
    222,099.20x = 36,817,753,635.97
  5. Step 5: Solve for x
    x = 36,817,753,635.97/222,099.20
  6. Step 6: Final answer
    x = 165,771.67

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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.