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Finding the Fourth Proportional to 122,811.35, 184,217.01 and 34,064.86

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Solution

The fourth proportional to 122,811.35, 184,217.01 and 34,064.86 is: 51,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,811.35 : 184,217.01 = 34,064.86 : x
  2. Step 2: Convert to fraction form
    122,811.35/184,217.01 = 34,064.86/x
  3. Step 3: Cross multiply
    122,811.35x = 184,217.01 × 34,064.86
  4. Step 4: Simplify right side
    122,811.35x = 6,275,325,563.86
  5. Step 5: Solve for x
    x = 6,275,325,563.86/122,811.35
  6. Step 6: Final answer
    x = 51,097.28

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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.