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Finding the Fourth Proportional to 122,710.72, 184,070.19 and 33,956.80

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Solution

The fourth proportional to 122,710.72, 184,070.19 and 33,956.80 is: 50,936.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,710.72 : 184,070.19 = 33,956.80 : x
  2. Step 2: Convert to fraction form
    122,710.72/184,070.19 = 33,956.80/x
  3. Step 3: Cross multiply
    122,710.72x = 184,070.19 × 33,956.80
  4. Step 4: Simplify right side
    122,710.72x = 6,250,434,627.79
  5. Step 5: Solve for x
    x = 6,250,434,627.79/122,710.72
  6. Step 6: Final answer
    x = 50,936.34

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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.