Home / 199,076.94-298,738.13-80,749.31

Finding the Fourth Proportional to 199,076.94, 298,738.13 and 80,749.31

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Solution

The fourth proportional to 199,076.94, 298,738.13 and 80,749.31 is: 121,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,076.94 : 298,738.13 = 80,749.31 : x
  2. Step 2: Convert to fraction form
    199,076.94/298,738.13 = 80,749.31/x
  3. Step 3: Cross multiply
    199,076.94x = 298,738.13 × 80,749.31
  4. Step 4: Simplify right side
    199,076.94x = 24,122,895,970.75
  5. Step 5: Solve for x
    x = 24,122,895,970.75/199,076.94
  6. Step 6: Final answer
    x = 121,173.73

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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.