Home / 170,617.32-255,685.41-80,563.95

Finding the Fourth Proportional to 170,617.32, 255,685.41 and 80,563.95

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Solution

The fourth proportional to 170,617.32, 255,685.41 and 80,563.95 is: 120,732.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,617.32 : 255,685.41 = 80,563.95 : x
  2. Step 2: Convert to fraction form
    170,617.32/255,685.41 = 80,563.95/x
  3. Step 3: Cross multiply
    170,617.32x = 255,685.41 × 80,563.95
  4. Step 4: Simplify right side
    170,617.32x = 20,599,026,586.97
  5. Step 5: Solve for x
    x = 20,599,026,586.97/170,617.32
  6. Step 6: Final answer
    x = 120,732.33

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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.