Home / 122,579.20-184,041.60-75,923.20

Finding the Fourth Proportional to 122,579.20, 184,041.60 and 75,923.20

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Solution

The fourth proportional to 122,579.20, 184,041.60 and 75,923.20 is: 113,991.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,579.20 : 184,041.60 = 75,923.20 : x
  2. Step 2: Convert to fraction form
    122,579.20/184,041.60 = 75,923.20/x
  3. Step 3: Cross multiply
    122,579.20x = 184,041.60 × 75,923.20
  4. Step 4: Simplify right side
    122,579.20x = 13,973,027,205.12
  5. Step 5: Solve for x
    x = 13,973,027,205.12/122,579.20
  6. Step 6: Final answer
    x = 113,991.83

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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.