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Finding the Fourth Proportional to 122,896.64, 184,381.41 and 38,668.44

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Solution

The fourth proportional to 122,896.64, 184,381.41 and 38,668.44 is: 58,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,896.64 : 184,381.41 = 38,668.44 : x
  2. Step 2: Convert to fraction form
    122,896.64/184,381.41 = 38,668.44/x
  3. Step 3: Cross multiply
    122,896.64x = 184,381.41 × 38,668.44
  4. Step 4: Simplify right side
    122,896.64x = 7,129,741,288.99
  5. Step 5: Solve for x
    x = 7,129,741,288.99/122,896.64
  6. Step 6: Final answer
    x = 58,014.13

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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.