Home / 122,823.20-184,234.80-80,832.80

Finding the Fourth Proportional to 122,823.20, 184,234.80 and 80,832.80

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Solution

The fourth proportional to 122,823.20, 184,234.80 and 80,832.80 is: 121,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,823.20 : 184,234.80 = 80,832.80 : x
  2. Step 2: Convert to fraction form
    122,823.20/184,234.80 = 80,832.80/x
  3. Step 3: Cross multiply
    122,823.20x = 184,234.80 × 80,832.80
  4. Step 4: Simplify right side
    122,823.20x = 14,892,214,741.44
  5. Step 5: Solve for x
    x = 14,892,214,741.44/122,823.20
  6. Step 6: Final answer
    x = 121,249.20

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1.5x scale

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.