Home / 222,359.69-306,856.58-120,385.23

Finding the Fourth Proportional to 222,359.69, 306,856.58 and 120,385.23

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Solution

The fourth proportional to 222,359.69, 306,856.58 and 120,385.23 is: 166,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,359.69 : 306,856.58 = 120,385.23 : x
  2. Step 2: Convert to fraction form
    222,359.69/306,856.58 = 120,385.23/x
  3. Step 3: Cross multiply
    222,359.69x = 306,856.58 × 120,385.23
  4. Step 4: Simplify right side
    222,359.69x = 36,940,998,207.68
  5. Step 5: Solve for x
    x = 36,940,998,207.68/222,359.69
  6. Step 6: Final answer
    x = 166,131.72

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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.