Home / 98,991.45-148,514.82-32,478.36

Finding the Fourth Proportional to 98,991.45, 148,514.82 and 32,478.36

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Solution

The fourth proportional to 98,991.45, 148,514.82 and 32,478.36 is: 48,726.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,991.45 : 148,514.82 = 32,478.36 : x
  2. Step 2: Convert to fraction form
    98,991.45/148,514.82 = 32,478.36/x
  3. Step 3: Cross multiply
    98,991.45x = 148,514.82 × 32,478.36
  4. Step 4: Simplify right side
    98,991.45x = 4,823,517,789.30
  5. Step 5: Solve for x
    x = 4,823,517,789.30/98,991.45
  6. Step 6: Final answer
    x = 48,726.61

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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.