Home / 120,790.25-181,185.17-30,832.95

Finding the Fourth Proportional to 120,790.25, 181,185.17 and 30,832.95

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Solution

The fourth proportional to 120,790.25, 181,185.17 and 30,832.95 is: 46,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,790.25 : 181,185.17 = 30,832.95 : x
  2. Step 2: Convert to fraction form
    120,790.25/181,185.17 = 30,832.95/x
  3. Step 3: Cross multiply
    120,790.25x = 181,185.17 × 30,832.95
  4. Step 4: Simplify right side
    120,790.25x = 5,586,472,684.99
  5. Step 5: Solve for x
    x = 5,586,472,684.99/120,790.25
  6. Step 6: Final answer
    x = 46,249.37

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1.5x scale

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.