Home / 170,976.20-256,464.30-162,811.40

Finding the Fourth Proportional to 170,976.20, 256,464.30 and 162,811.40

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Solution

The fourth proportional to 170,976.20, 256,464.30 and 162,811.40 is: 244,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,976.20 : 256,464.30 = 162,811.40 : x
  2. Step 2: Convert to fraction form
    170,976.20/256,464.30 = 162,811.40/x
  3. Step 3: Cross multiply
    170,976.20x = 256,464.30 × 162,811.40
  4. Step 4: Simplify right side
    170,976.20x = 41,755,311,733.02
  5. Step 5: Solve for x
    x = 41,755,311,733.02/170,976.20
  6. Step 6: Final answer
    x = 244,217.10

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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.