Home / 120,791.25-181,186.67-30,833.95

Finding the Fourth Proportional to 120,791.25, 181,186.67 and 30,833.95

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Solution

The fourth proportional to 120,791.25, 181,186.67 and 30,833.95 is: 46,250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,791.25 : 181,186.67 = 30,833.95 : x
  2. Step 2: Convert to fraction form
    120,791.25/181,186.67 = 30,833.95/x
  3. Step 3: Cross multiply
    120,791.25x = 181,186.67 × 30,833.95
  4. Step 4: Simplify right side
    120,791.25x = 5,586,700,723.45
  5. Step 5: Solve for x
    x = 5,586,700,723.45/120,791.25
  6. Step 6: Final answer
    x = 46,250.87

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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.