Home / 248,708.25-343,217.43-135,531

Finding the Fourth Proportional to 248,708.25, 343,217.43 and 135,531

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Solution

The fourth proportional to 248,708.25, 343,217.43 and 135,531 is: 187,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,708.25 : 343,217.43 = 135,531 : x
  2. Step 2: Convert to fraction form
    248,708.25/343,217.43 = 135,531/x
  3. Step 3: Cross multiply
    248,708.25x = 343,217.43 × 135,531
  4. Step 4: Simplify right side
    248,708.25x = 46,516,601,505.33
  5. Step 5: Solve for x
    x = 46,516,601,505.33/248,708.25
  6. Step 6: Final answer
    x = 187,032.80

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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.