Home / 120,721.27-181,114.11-41,835.42

Finding the Fourth Proportional to 120,721.27, 181,114.11 and 41,835.42

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Solution

The fourth proportional to 120,721.27, 181,114.11 and 41,835.42 is: 62,764.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,721.27 : 181,114.11 = 41,835.42 : x
  2. Step 2: Convert to fraction form
    120,721.27/181,114.11 = 41,835.42/x
  3. Step 3: Cross multiply
    120,721.27x = 181,114.11 × 41,835.42
  4. Step 4: Simplify right side
    120,721.27x = 7,576,984,859.78
  5. Step 5: Solve for x
    x = 7,576,984,859.78/120,721.27
  6. Step 6: Final answer
    x = 62,764.29

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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.