Home / 222,991.22-307,728.08-121,016.70

Finding the Fourth Proportional to 222,991.22, 307,728.08 and 121,016.70

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Solution

The fourth proportional to 222,991.22, 307,728.08 and 121,016.70 is: 167,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,991.22 : 307,728.08 = 121,016.70 : x
  2. Step 2: Convert to fraction form
    222,991.22/307,728.08 = 121,016.70/x
  3. Step 3: Cross multiply
    222,991.22x = 307,728.08 × 121,016.70
  4. Step 4: Simplify right side
    222,991.22x = 37,240,236,738.94
  5. Step 5: Solve for x
    x = 37,240,236,738.94/222,991.22
  6. Step 6: Final answer
    x = 167,003.15

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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.