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Finding the Fourth Proportional to 122,885, 184,327.32 and 38,652.56

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Solution

The fourth proportional to 122,885, 184,327.32 and 38,652.56 is: 57,978.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,885 : 184,327.32 = 38,652.56 : x
  2. Step 2: Convert to fraction form
    122,885/184,327.32 = 38,652.56/x
  3. Step 3: Cross multiply
    122,885x = 184,327.32 × 38,652.56
  4. Step 4: Simplify right side
    122,885x = 7,124,722,795.94
  5. Step 5: Solve for x
    x = 7,124,722,795.94/122,885
  6. Step 6: Final answer
    x = 57,978.78

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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.