Home / 104,867.82-144,716.82-57,121.02

Finding the Fourth Proportional to 104,867.82, 144,716.82 and 57,121.02

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Solution

The fourth proportional to 104,867.82, 144,716.82 and 57,121.02 is: 78,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,867.82 : 144,716.82 = 57,121.02 : x
  2. Step 2: Convert to fraction form
    104,867.82/144,716.82 = 57,121.02/x
  3. Step 3: Cross multiply
    104,867.82x = 144,716.82 × 57,121.02
  4. Step 4: Simplify right side
    104,867.82x = 8,266,372,369.56
  5. Step 5: Solve for x
    x = 8,266,372,369.56/104,867.82
  6. Step 6: Final answer
    x = 78,826.59

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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.