Home / 168,069.97-231,936.55-91,589.07

Finding the Fourth Proportional to 168,069.97, 231,936.55 and 91,589.07

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Solution

The fourth proportional to 168,069.97, 231,936.55 and 91,589.07 is: 126,392.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,069.97 : 231,936.55 = 91,589.07 : x
  2. Step 2: Convert to fraction form
    168,069.97/231,936.55 = 91,589.07/x
  3. Step 3: Cross multiply
    168,069.97x = 231,936.55 × 91,589.07
  4. Step 4: Simplify right side
    168,069.97x = 21,242,852,913.51
  5. Step 5: Solve for x
    x = 21,242,852,913.51/168,069.97
  6. Step 6: Final answer
    x = 126,392.91

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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.