Home / 138,022.05-207,033.11-43,252.22

Finding the Fourth Proportional to 138,022.05, 207,033.11 and 43,252.22

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Solution

The fourth proportional to 138,022.05, 207,033.11 and 43,252.22 is: 64,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,022.05 : 207,033.11 = 43,252.22 : x
  2. Step 2: Convert to fraction form
    138,022.05/207,033.11 = 43,252.22/x
  3. Step 3: Cross multiply
    138,022.05x = 207,033.11 × 43,252.22
  4. Step 4: Simplify right side
    138,022.05x = 8,954,640,369.58
  5. Step 5: Solve for x
    x = 8,954,640,369.58/138,022.05
  6. Step 6: Final answer
    x = 64,878.33

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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.