Home / 170,185.43-255,245.21-64,979.39

Finding the Fourth Proportional to 170,185.43, 255,245.21 and 64,979.39

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Solution

The fourth proportional to 170,185.43, 255,245.21 and 64,979.39 is: 97,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,185.43 : 255,245.21 = 64,979.39 : x
  2. Step 2: Convert to fraction form
    170,185.43/255,245.21 = 64,979.39/x
  3. Step 3: Cross multiply
    170,185.43x = 255,245.21 × 64,979.39
  4. Step 4: Simplify right side
    170,185.43x = 16,585,677,721.33
  5. Step 5: Solve for x
    x = 16,585,677,721.33/170,185.43
  6. Step 6: Final answer
    x = 97,456.51

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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.