Home / 222,370.10-306,867.01-120,394.73

Finding the Fourth Proportional to 222,370.10, 306,867.01 and 120,394.73

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Solution

The fourth proportional to 222,370.10, 306,867.01 and 120,394.73 is: 166,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,370.10 : 306,867.01 = 120,394.73 : x
  2. Step 2: Convert to fraction form
    222,370.10/306,867.01 = 120,394.73/x
  3. Step 3: Cross multiply
    222,370.10x = 306,867.01 × 120,394.73
  4. Step 4: Simplify right side
    222,370.10x = 36,945,170,814.86
  5. Step 5: Solve for x
    x = 36,945,170,814.86/222,370.10
  6. Step 6: Final answer
    x = 166,142.71

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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.