Home / 248,723.22-343,228.03-135,543.54

Finding the Fourth Proportional to 248,723.22, 343,228.03 and 135,543.54

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Solution

The fourth proportional to 248,723.22, 343,228.03 and 135,543.54 is: 187,044.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,723.22 : 343,228.03 = 135,543.54 : x
  2. Step 2: Convert to fraction form
    248,723.22/343,228.03 = 135,543.54/x
  3. Step 3: Cross multiply
    248,723.22x = 343,228.03 × 135,543.54
  4. Step 4: Simplify right side
    248,723.22x = 46,522,342,213.43
  5. Step 5: Solve for x
    x = 46,522,342,213.43/248,723.22
  6. Step 6: Final answer
    x = 187,044.63

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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.