Home / 331,179.96-496,680.75-91,236.72

Finding the Fourth Proportional to 331,179.96, 496,680.75 and 91,236.72

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Solution

The fourth proportional to 331,179.96, 496,680.75 and 91,236.72 is: 136,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,179.96 : 496,680.75 = 91,236.72 : x
  2. Step 2: Convert to fraction form
    331,179.96/496,680.75 = 91,236.72/x
  3. Step 3: Cross multiply
    331,179.96x = 496,680.75 × 91,236.72
  4. Step 4: Simplify right side
    331,179.96x = 45,315,522,517.14
  5. Step 5: Solve for x
    x = 45,315,522,517.14/331,179.96
  6. Step 6: Final answer
    x = 136,830.51

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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.