Home / 222,517.56-307,072.26-120,540.72

Finding the Fourth Proportional to 222,517.56, 307,072.26 and 120,540.72

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Solution

The fourth proportional to 222,517.56, 307,072.26 and 120,540.72 is: 166,345.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,517.56 : 307,072.26 = 120,540.72 : x
  2. Step 2: Convert to fraction form
    222,517.56/307,072.26 = 120,540.72/x
  3. Step 3: Cross multiply
    222,517.56x = 307,072.26 × 120,540.72
  4. Step 4: Simplify right side
    222,517.56x = 37,014,711,312.43
  5. Step 5: Solve for x
    x = 37,014,711,312.43/222,517.56
  6. Step 6: Final answer
    x = 166,345.12

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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.