Home / 245,067.04-338,186.10-137,631.88

Finding the Fourth Proportional to 245,067.04, 338,186.10 and 137,631.88

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Solution

The fourth proportional to 245,067.04, 338,186.10 and 137,631.88 is: 189,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,067.04 : 338,186.10 = 137,631.88 : x
  2. Step 2: Convert to fraction form
    245,067.04/338,186.10 = 137,631.88/x
  3. Step 3: Cross multiply
    245,067.04x = 338,186.10 × 137,631.88
  4. Step 4: Simplify right side
    245,067.04x = 46,545,188,732.87
  5. Step 5: Solve for x
    x = 46,545,188,732.87/245,067.04
  6. Step 6: Final answer
    x = 189,928.39

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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.