Home / 195,329-292,789.20-90,216.92

Finding the Fourth Proportional to 195,329, 292,789.20 and 90,216.92

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Solution

The fourth proportional to 195,329, 292,789.20 and 90,216.92 is: 135,231.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,329 : 292,789.20 = 90,216.92 : x
  2. Step 2: Convert to fraction form
    195,329/292,789.20 = 90,216.92/x
  3. Step 3: Cross multiply
    195,329x = 292,789.20 × 90,216.92
  4. Step 4: Simplify right side
    195,329x = 26,414,539,833.26
  5. Step 5: Solve for x
    x = 26,414,539,833.26/195,329
  6. Step 6: Final answer
    x = 135,231.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.