Home / 170,639.94-255,961.28-111,847.92

Finding the Fourth Proportional to 170,639.94, 255,961.28 and 111,847.92

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Solution

The fourth proportional to 170,639.94, 255,961.28 and 111,847.92 is: 167,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,639.94 : 255,961.28 = 111,847.92 : x
  2. Step 2: Convert to fraction form
    170,639.94/255,961.28 = 111,847.92/x
  3. Step 3: Cross multiply
    170,639.94x = 255,961.28 × 111,847.92
  4. Step 4: Simplify right side
    170,639.94x = 28,628,736,768.54
  5. Step 5: Solve for x
    x = 28,628,736,768.54/170,639.94
  6. Step 6: Final answer
    x = 167,772.78

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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.