Home / 263,119.42-394,678.20-94,639.46

Finding the Fourth Proportional to 263,119.42, 394,678.20 and 94,639.46

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Solution

The fourth proportional to 263,119.42, 394,678.20 and 94,639.46 is: 141,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,119.42 : 394,678.20 = 94,639.46 : x
  2. Step 2: Convert to fraction form
    263,119.42/394,678.20 = 94,639.46/x
  3. Step 3: Cross multiply
    263,119.42x = 394,678.20 × 94,639.46
  4. Step 4: Simplify right side
    263,119.42x = 37,352,131,721.77
  5. Step 5: Solve for x
    x = 37,352,131,721.77/263,119.42
  6. Step 6: Final answer
    x = 141,958.86

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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.