Home / 248,864.68-343,433.60-135,687.43

Finding the Fourth Proportional to 248,864.68, 343,433.60 and 135,687.43

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Solution

The fourth proportional to 248,864.68, 343,433.60 and 135,687.43 is: 187,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,864.68 : 343,433.60 = 135,687.43 : x
  2. Step 2: Convert to fraction form
    248,864.68/343,433.60 = 135,687.43/x
  3. Step 3: Cross multiply
    248,864.68x = 343,433.60 × 135,687.43
  4. Step 4: Simplify right side
    248,864.68x = 46,599,620,164.04
  5. Step 5: Solve for x
    x = 46,599,620,164.04/248,864.68
  6. Step 6: Final answer
    x = 187,248.83

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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.