Home / 213,921.22-295,276.94-123,337.65

Finding the Fourth Proportional to 213,921.22, 295,276.94 and 123,337.65

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Solution

The fourth proportional to 213,921.22, 295,276.94 and 123,337.65 is: 170,243.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,921.22 : 295,276.94 = 123,337.65 : x
  2. Step 2: Convert to fraction form
    213,921.22/295,276.94 = 123,337.65/x
  3. Step 3: Cross multiply
    213,921.22x = 295,276.94 × 123,337.65
  4. Step 4: Simplify right side
    213,921.22x = 36,418,765,525.68
  5. Step 5: Solve for x
    x = 36,418,765,525.68/213,921.22
  6. Step 6: Final answer
    x = 170,243.82

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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.