Home / 200,249.10-275,868.45-139,709.70

Finding the Fourth Proportional to 200,249.10, 275,868.45 and 139,709.70

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Solution

The fourth proportional to 200,249.10, 275,868.45 and 139,709.70 is: 192,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,249.10 : 275,868.45 = 139,709.70 : x
  2. Step 2: Convert to fraction form
    200,249.10/275,868.45 = 139,709.70/x
  3. Step 3: Cross multiply
    200,249.10x = 275,868.45 × 139,709.70
  4. Step 4: Simplify right side
    200,249.10x = 38,541,498,388.97
  5. Step 5: Solve for x
    x = 38,541,498,388.97/200,249.10
  6. Step 6: Final answer
    x = 192,467.77

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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.