Home / 120,720.27-181,112.61-41,834.42

Finding the Fourth Proportional to 120,720.27, 181,112.61 and 41,834.42

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Solution

The fourth proportional to 120,720.27, 181,112.61 and 41,834.42 is: 62,762.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,720.27 : 181,112.61 = 41,834.42 : x
  2. Step 2: Convert to fraction form
    120,720.27/181,112.61 = 41,834.42/x
  3. Step 3: Cross multiply
    120,720.27x = 181,112.61 × 41,834.42
  4. Step 4: Simplify right side
    120,720.27x = 7,576,741,707.96
  5. Step 5: Solve for x
    x = 7,576,741,707.96/120,720.27
  6. Step 6: Final answer
    x = 62,762.79

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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.