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Finding the Fourth Proportional to 122,764.76, 184,151.10 and 34,019.12

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Solution

The fourth proportional to 122,764.76, 184,151.10 and 34,019.12 is: 51,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,764.76 : 184,151.10 = 34,019.12 : x
  2. Step 2: Convert to fraction form
    122,764.76/184,151.10 = 34,019.12/x
  3. Step 3: Cross multiply
    122,764.76x = 184,151.10 × 34,019.12
  4. Step 4: Simplify right side
    122,764.76x = 6,264,658,369.03
  5. Step 5: Solve for x
    x = 6,264,658,369.03/122,764.76
  6. Step 6: Final answer
    x = 51,029.78

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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.