Home / 104,928.14-144,796.62-57,180.47

Finding the Fourth Proportional to 104,928.14, 144,796.62 and 57,180.47

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Solution

The fourth proportional to 104,928.14, 144,796.62 and 57,180.47 is: 78,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,928.14 : 144,796.62 = 57,180.47 : x
  2. Step 2: Convert to fraction form
    104,928.14/144,796.62 = 57,180.47/x
  3. Step 3: Cross multiply
    104,928.14x = 144,796.62 × 57,180.47
  4. Step 4: Simplify right side
    104,928.14x = 8,279,538,786.01
  5. Step 5: Solve for x
    x = 8,279,538,786.01/104,928.14
  6. Step 6: Final answer
    x = 78,906.75

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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.