Home / 104,878.69-144,734.82-57,131.93

Finding the Fourth Proportional to 104,878.69, 144,734.82 and 57,131.93

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Solution

The fourth proportional to 104,878.69, 144,734.82 and 57,131.93 is: 78,843.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,878.69 : 144,734.82 = 57,131.93 : x
  2. Step 2: Convert to fraction form
    104,878.69/144,734.82 = 57,131.93/x
  3. Step 3: Cross multiply
    104,878.69x = 144,734.82 × 57,131.93
  4. Step 4: Simplify right side
    104,878.69x = 8,268,979,604.80
  5. Step 5: Solve for x
    x = 8,268,979,604.80/104,878.69
  6. Step 6: Final answer
    x = 78,843.28

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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.