Home / 248,422.88-342,831.96-139,546.48

Finding the Fourth Proportional to 248,422.88, 342,831.96 and 139,546.48

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Solution

The fourth proportional to 248,422.88, 342,831.96 and 139,546.48 is: 192,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,422.88 : 342,831.96 = 139,546.48 : x
  2. Step 2: Convert to fraction form
    248,422.88/342,831.96 = 139,546.48/x
  3. Step 3: Cross multiply
    248,422.88x = 342,831.96 × 139,546.48
  4. Step 4: Simplify right side
    248,422.88x = 47,840,993,249.50
  5. Step 5: Solve for x
    x = 47,840,993,249.50/248,422.88
  6. Step 6: Final answer
    x = 192,578.85

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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.