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Finding the Fourth Proportional to 122,996.94, 184,553.72 and 73,175.46

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Solution

The fourth proportional to 122,996.94, 184,553.72 and 73,175.46 is: 109,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,996.94 : 184,553.72 = 73,175.46 : x
  2. Step 2: Convert to fraction form
    122,996.94/184,553.72 = 73,175.46/x
  3. Step 3: Cross multiply
    122,996.94x = 184,553.72 × 73,175.46
  4. Step 4: Simplify right side
    122,996.94x = 13,504,802,615.88
  5. Step 5: Solve for x
    x = 13,504,802,615.88/122,996.94
  6. Step 6: Final answer
    x = 109,797.88

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1.5x scale

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.