Home / 104,917.93-144,786.64-57,171.27

Finding the Fourth Proportional to 104,917.93, 144,786.64 and 57,171.27

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Solution

The fourth proportional to 104,917.93, 144,786.64 and 57,171.27 is: 78,896.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,917.93 : 144,786.64 = 57,171.27 : x
  2. Step 2: Convert to fraction form
    104,917.93/144,786.64 = 57,171.27/x
  3. Step 3: Cross multiply
    104,917.93x = 144,786.64 × 57,171.27
  4. Step 4: Simplify right side
    104,917.93x = 8,277,635,780.63
  5. Step 5: Solve for x
    x = 8,277,635,780.63/104,917.93
  6. Step 6: Final answer
    x = 78,896.29

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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.