Home / 109,832.60-164,619.30-82,098.20

Finding the Fourth Proportional to 109,832.60, 164,619.30 and 82,098.20

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Solution

The fourth proportional to 109,832.60, 164,619.30 and 82,098.20 is: 123,050.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,832.60 : 164,619.30 = 82,098.20 : x
  2. Step 2: Convert to fraction form
    109,832.60/164,619.30 = 82,098.20/x
  3. Step 3: Cross multiply
    109,832.60x = 164,619.30 × 82,098.20
  4. Step 4: Simplify right side
    109,832.60x = 13,514,948,215.26
  5. Step 5: Solve for x
    x = 13,514,948,215.26/109,832.60
  6. Step 6: Final answer
    x = 123,050.43

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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.