Home / 263,130.21-394,537.29-120,797.41

Finding the Fourth Proportional to 263,130.21, 394,537.29 and 120,797.41

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Solution

The fourth proportional to 263,130.21, 394,537.29 and 120,797.41 is: 181,123.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,130.21 : 394,537.29 = 120,797.41 : x
  2. Step 2: Convert to fraction form
    263,130.21/394,537.29 = 120,797.41/x
  3. Step 3: Cross multiply
    263,130.21x = 394,537.29 × 120,797.41
  4. Step 4: Simplify right side
    263,130.21x = 47,659,082,780.42
  5. Step 5: Solve for x
    x = 47,659,082,780.42/263,130.21
  6. Step 6: Final answer
    x = 181,123.57

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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.