Home / 170,768.25-255,977.42-70,986.38

Finding the Fourth Proportional to 170,768.25, 255,977.42 and 70,986.38

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Solution

The fourth proportional to 170,768.25, 255,977.42 and 70,986.38 is: 106,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,768.25 : 255,977.42 = 70,986.38 : x
  2. Step 2: Convert to fraction form
    170,768.25/255,977.42 = 70,986.38/x
  3. Step 3: Cross multiply
    170,768.25x = 255,977.42 × 70,986.38
  4. Step 4: Simplify right side
    170,768.25x = 18,170,908,772.72
  5. Step 5: Solve for x
    x = 18,170,908,772.72/170,768.25
  6. Step 6: Final answer
    x = 106,406.83

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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.