Home / 222,968.20-307,694.56-120,991.07

Finding the Fourth Proportional to 222,968.20, 307,694.56 and 120,991.07

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Solution

The fourth proportional to 222,968.20, 307,694.56 and 120,991.07 is: 166,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,968.20 : 307,694.56 = 120,991.07 : x
  2. Step 2: Convert to fraction form
    222,968.20/307,694.56 = 120,991.07/x
  3. Step 3: Cross multiply
    222,968.20x = 307,694.56 × 120,991.07
  4. Step 4: Simplify right side
    222,968.20x = 37,228,294,047.58
  5. Step 5: Solve for x
    x = 37,228,294,047.58/222,968.20
  6. Step 6: Final answer
    x = 166,966.83

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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.