Home / 190,450.91-262,841.06-108,791.38

Finding the Fourth Proportional to 190,450.91, 262,841.06 and 108,791.38

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Solution

The fourth proportional to 190,450.91, 262,841.06 and 108,791.38 is: 150,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,450.91 : 262,841.06 = 108,791.38 : x
  2. Step 2: Convert to fraction form
    190,450.91/262,841.06 = 108,791.38/x
  3. Step 3: Cross multiply
    190,450.91x = 262,841.06 × 108,791.38
  4. Step 4: Simplify right side
    190,450.91x = 28,594,841,380.23
  5. Step 5: Solve for x
    x = 28,594,841,380.23/190,450.91
  6. Step 6: Final answer
    x = 150,142.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.