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Finding the Fourth Proportional to 122,589.87, 183,895.38 and 33,843.39

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Solution

The fourth proportional to 122,589.87, 183,895.38 and 33,843.39 is: 50,768.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,589.87 : 183,895.38 = 33,843.39 : x
  2. Step 2: Convert to fraction form
    122,589.87/183,895.38 = 33,843.39/x
  3. Step 3: Cross multiply
    122,589.87x = 183,895.38 × 33,843.39
  4. Step 4: Simplify right side
    122,589.87x = 6,223,643,064.54
  5. Step 5: Solve for x
    x = 6,223,643,064.54/122,589.87
  6. Step 6: Final answer
    x = 50,768.00

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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.