Home / 109,917.80-164,882.10-57,429.80

Finding the Fourth Proportional to 109,917.80, 164,882.10 and 57,429.80

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Solution

The fourth proportional to 109,917.80, 164,882.10 and 57,429.80 is: 86,147.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,917.80 : 164,882.10 = 57,429.80 : x
  2. Step 2: Convert to fraction form
    109,917.80/164,882.10 = 57,429.80/x
  3. Step 3: Cross multiply
    109,917.80x = 164,882.10 × 57,429.80
  4. Step 4: Simplify right side
    109,917.80x = 9,469,146,026.58
  5. Step 5: Solve for x
    x = 9,469,146,026.58/109,917.80
  6. Step 6: Final answer
    x = 86,147.52

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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.