Home / 185,488.56-255,974.58-100,605.96

Finding the Fourth Proportional to 185,488.56, 255,974.58 and 100,605.96

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Solution

The fourth proportional to 185,488.56, 255,974.58 and 100,605.96 is: 138,836.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,488.56 : 255,974.58 = 100,605.96 : x
  2. Step 2: Convert to fraction form
    185,488.56/255,974.58 = 100,605.96/x
  3. Step 3: Cross multiply
    185,488.56x = 255,974.58 × 100,605.96
  4. Step 4: Simplify right side
    185,488.56x = 25,752,568,356.50
  5. Step 5: Solve for x
    x = 25,752,568,356.50/185,488.56
  6. Step 6: Final answer
    x = 138,836.42

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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.