Home / 252,445.86-348,375.25-139,268.61

Finding the Fourth Proportional to 252,445.86, 348,375.25 and 139,268.61

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Solution

The fourth proportional to 252,445.86, 348,375.25 and 139,268.61 is: 192,190.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,445.86 : 348,375.25 = 139,268.61 : x
  2. Step 2: Convert to fraction form
    252,445.86/348,375.25 = 139,268.61/x
  3. Step 3: Cross multiply
    252,445.86x = 348,375.25 × 139,268.61
  4. Step 4: Simplify right side
    252,445.86x = 48,517,736,825.90
  5. Step 5: Solve for x
    x = 48,517,736,825.90/252,445.86
  6. Step 6: Final answer
    x = 192,190.66

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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.