Home / 168,268.56-232,212.10-91,788

Finding the Fourth Proportional to 168,268.56, 232,212.10 and 91,788

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Solution

The fourth proportional to 168,268.56, 232,212.10 and 91,788 is: 126,668.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,268.56 : 232,212.10 = 91,788 : x
  2. Step 2: Convert to fraction form
    168,268.56/232,212.10 = 91,788/x
  3. Step 3: Cross multiply
    168,268.56x = 232,212.10 × 91,788
  4. Step 4: Simplify right side
    168,268.56x = 21,314,284,234.80
  5. Step 5: Solve for x
    x = 21,314,284,234.80/168,268.56
  6. Step 6: Final answer
    x = 126,668.25

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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.