Home / 220,842.82-331,265.96-120,948.52

Finding the Fourth Proportional to 220,842.82, 331,265.96 and 120,948.52

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Solution

The fourth proportional to 220,842.82, 331,265.96 and 120,948.52 is: 181,423.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,842.82 : 331,265.96 = 120,948.52 : x
  2. Step 2: Convert to fraction form
    220,842.82/331,265.96 = 120,948.52/x
  3. Step 3: Cross multiply
    220,842.82x = 331,265.96 × 120,948.52
  4. Step 4: Simplify right side
    220,842.82x = 40,066,127,230.15
  5. Step 5: Solve for x
    x = 40,066,127,230.15/220,842.82
  6. Step 6: Final answer
    x = 181,423.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.