Home / 122,821.39-184,232.13-43,930.90

Finding the Fourth Proportional to 122,821.39, 184,232.13 and 43,930.90

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Solution

The fourth proportional to 122,821.39, 184,232.13 and 43,930.90 is: 65,896.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,821.39 : 184,232.13 = 43,930.90 : x
  2. Step 2: Convert to fraction form
    122,821.39/184,232.13 = 43,930.90/x
  3. Step 3: Cross multiply
    122,821.39x = 184,232.13 × 43,930.90
  4. Step 4: Simplify right side
    122,821.39x = 8,093,483,279.82
  5. Step 5: Solve for x
    x = 8,093,483,279.82/122,821.39
  6. Step 6: Final answer
    x = 65,896.37

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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.