Home / 199,192.77-298,820.27-80,872.43

Finding the Fourth Proportional to 199,192.77, 298,820.27 and 80,872.43

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Solution

The fourth proportional to 199,192.77, 298,820.27 and 80,872.43 is: 121,321.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,192.77 : 298,820.27 = 80,872.43 : x
  2. Step 2: Convert to fraction form
    199,192.77/298,820.27 = 80,872.43/x
  3. Step 3: Cross multiply
    199,192.77x = 298,820.27 × 80,872.43
  4. Step 4: Simplify right side
    199,192.77x = 24,166,320,076.24
  5. Step 5: Solve for x
    x = 24,166,320,076.24/199,192.77
  6. Step 6: Final answer
    x = 121,321.27

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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.