Home / 199,037.20-298,296.60-92,408.80

Finding the Fourth Proportional to 199,037.20, 298,296.60 and 92,408.80

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Solution

The fourth proportional to 199,037.20, 298,296.60 and 92,408.80 is: 138,492.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,037.20 : 298,296.60 = 92,408.80 : x
  2. Step 2: Convert to fraction form
    199,037.20/298,296.60 = 92,408.80/x
  3. Step 3: Cross multiply
    199,037.20x = 298,296.60 × 92,408.80
  4. Step 4: Simplify right side
    199,037.20x = 27,565,230,850.08
  5. Step 5: Solve for x
    x = 27,565,230,850.08/199,037.20
  6. Step 6: Final answer
    x = 138,492.86

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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.