Home / 170,719.44-255,997.20-80,687.16

Finding the Fourth Proportional to 170,719.44, 255,997.20 and 80,687.16

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Solution

The fourth proportional to 170,719.44, 255,997.20 and 80,687.16 is: 120,992.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,719.44 : 255,997.20 = 80,687.16 : x
  2. Step 2: Convert to fraction form
    170,719.44/255,997.20 = 80,687.16/x
  3. Step 3: Cross multiply
    170,719.44x = 255,997.20 × 80,687.16
  4. Step 4: Simplify right side
    170,719.44x = 20,655,687,035.95
  5. Step 5: Solve for x
    x = 20,655,687,035.95/170,719.44
  6. Step 6: Final answer
    x = 120,992.00

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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.