Home / 254,831.97-351,672.12-140,115.59

Finding the Fourth Proportional to 254,831.97, 351,672.12 and 140,115.59

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Solution

The fourth proportional to 254,831.97, 351,672.12 and 140,115.59 is: 193,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,831.97 : 351,672.12 = 140,115.59 : x
  2. Step 2: Convert to fraction form
    254,831.97/351,672.12 = 140,115.59/x
  3. Step 3: Cross multiply
    254,831.97x = 351,672.12 × 140,115.59
  4. Step 4: Simplify right side
    254,831.97x = 49,274,746,580.35
  5. Step 5: Solve for x
    x = 49,274,746,580.35/254,831.97
  6. Step 6: Final answer
    x = 193,361.71

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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.