Home / 120,992.19-181,487.67-31,034.52

Finding the Fourth Proportional to 120,992.19, 181,487.67 and 31,034.52

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Solution

The fourth proportional to 120,992.19, 181,487.67 and 31,034.52 is: 46,551.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,992.19 : 181,487.67 = 31,034.52 : x
  2. Step 2: Convert to fraction form
    120,992.19/181,487.67 = 31,034.52/x
  3. Step 3: Cross multiply
    120,992.19x = 181,487.67 × 31,034.52
  4. Step 4: Simplify right side
    120,992.19x = 5,632,382,724.37
  5. Step 5: Solve for x
    x = 5,632,382,724.37/120,992.19
  6. Step 6: Final answer
    x = 46,551.62

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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.