Home / 248,839.20-343,403.25-139,945.62

Finding the Fourth Proportional to 248,839.20, 343,403.25 and 139,945.62

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Solution

The fourth proportional to 248,839.20, 343,403.25 and 139,945.62 is: 193,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,839.20 : 343,403.25 = 139,945.62 : x
  2. Step 2: Convert to fraction form
    248,839.20/343,403.25 = 139,945.62/x
  3. Step 3: Cross multiply
    248,839.20x = 343,403.25 × 139,945.62
  4. Step 4: Simplify right side
    248,839.20x = 48,057,780,731.27
  5. Step 5: Solve for x
    x = 48,057,780,731.27/248,839.20
  6. Step 6: Final answer
    x = 193,127.85

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1.5x scale

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.