Home / 112,512.80-168,769.20-108,576.20

Finding the Fourth Proportional to 112,512.80, 168,769.20 and 108,576.20

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Solution

The fourth proportional to 112,512.80, 168,769.20 and 108,576.20 is: 162,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,512.80 : 168,769.20 = 108,576.20 : x
  2. Step 2: Convert to fraction form
    112,512.80/168,769.20 = 108,576.20/x
  3. Step 3: Cross multiply
    112,512.80x = 168,769.20 × 108,576.20
  4. Step 4: Simplify right side
    112,512.80x = 18,324,318,413.04
  5. Step 5: Solve for x
    x = 18,324,318,413.04/112,512.80
  6. Step 6: Final answer
    x = 162,864.30

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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.