Home / 185,378.33-255,815.25-100,493.57

Finding the Fourth Proportional to 185,378.33, 255,815.25 and 100,493.57

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Solution

The fourth proportional to 185,378.33, 255,815.25 and 100,493.57 is: 138,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,378.33 : 255,815.25 = 100,493.57 : x
  2. Step 2: Convert to fraction form
    185,378.33/255,815.25 = 100,493.57/x
  3. Step 3: Cross multiply
    185,378.33x = 255,815.25 × 100,493.57
  4. Step 4: Simplify right side
    185,378.33x = 25,707,787,995.63
  5. Step 5: Solve for x
    x = 25,707,787,995.63/185,378.33
  6. Step 6: Final answer
    x = 138,677.42

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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.