Home / 213,819.94-295,067.75-123,175.63

Finding the Fourth Proportional to 213,819.94, 295,067.75 and 123,175.63

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Solution

The fourth proportional to 213,819.94, 295,067.75 and 123,175.63 is: 169,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,819.94 : 295,067.75 = 123,175.63 : x
  2. Step 2: Convert to fraction form
    213,819.94/295,067.75 = 123,175.63/x
  3. Step 3: Cross multiply
    213,819.94x = 295,067.75 × 123,175.63
  4. Step 4: Simplify right side
    213,819.94x = 36,345,155,998.93
  5. Step 5: Solve for x
    x = 36,345,155,998.93/213,819.94
  6. Step 6: Final answer
    x = 169,980.20

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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.