Home / 120,724.27-181,118.61-41,838.43

Finding the Fourth Proportional to 120,724.27, 181,118.61 and 41,838.43

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Solution

The fourth proportional to 120,724.27, 181,118.61 and 41,838.43 is: 62,768.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,724.27 : 181,118.61 = 41,838.43 : x
  2. Step 2: Convert to fraction form
    120,724.27/181,118.61 = 41,838.43/x
  3. Step 3: Cross multiply
    120,724.27x = 181,118.61 × 41,838.43
  4. Step 4: Simplify right side
    120,724.27x = 7,577,718,286.18
  5. Step 5: Solve for x
    x = 7,577,718,286.18/120,724.27
  6. Step 6: Final answer
    x = 62,768.81

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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.