Home / 168,064.71-231,926.33-91,584.48

Finding the Fourth Proportional to 168,064.71, 231,926.33 and 91,584.48

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Solution

The fourth proportional to 168,064.71, 231,926.33 and 91,584.48 is: 126,384.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,064.71 : 231,926.33 = 91,584.48 : x
  2. Step 2: Convert to fraction form
    168,064.71/231,926.33 = 91,584.48/x
  3. Step 3: Cross multiply
    168,064.71x = 231,926.33 × 91,584.48
  4. Step 4: Simplify right side
    168,064.71x = 21,240,851,873.44
  5. Step 5: Solve for x
    x = 21,240,851,873.44/168,064.71
  6. Step 6: Final answer
    x = 126,384.96

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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.