Home / 213,936.20-295,238.76-123,284.96

Finding the Fourth Proportional to 213,936.20, 295,238.76 and 123,284.96

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Solution

The fourth proportional to 213,936.20, 295,238.76 and 123,284.96 is: 170,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,936.20 : 295,238.76 = 123,284.96 : x
  2. Step 2: Convert to fraction form
    213,936.20/295,238.76 = 123,284.96/x
  3. Step 3: Cross multiply
    213,936.20x = 295,238.76 × 123,284.96
  4. Step 4: Simplify right side
    213,936.20x = 36,398,498,717.05
  5. Step 5: Solve for x
    x = 36,398,498,717.05/213,936.20
  6. Step 6: Final answer
    x = 170,137.17

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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.