Home / 170,974.75-256,323.70-71,209.62

Finding the Fourth Proportional to 170,974.75, 256,323.70 and 71,209.62

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Solution

The fourth proportional to 170,974.75, 256,323.70 and 71,209.62 is: 106,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,974.75 : 256,323.70 = 71,209.62 : x
  2. Step 2: Convert to fraction form
    170,974.75/256,323.70 = 71,209.62/x
  3. Step 3: Cross multiply
    170,974.75x = 256,323.70 × 71,209.62
  4. Step 4: Simplify right side
    170,974.75x = 18,252,713,102.69
  5. Step 5: Solve for x
    x = 18,252,713,102.69/170,974.75
  6. Step 6: Final answer
    x = 106,756.78

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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.