Home / 131,096.41-180,906.07-77,361.82

Finding the Fourth Proportional to 131,096.41, 180,906.07 and 77,361.82

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Solution

The fourth proportional to 131,096.41, 180,906.07 and 77,361.82 is: 106,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,096.41 : 180,906.07 = 77,361.82 : x
  2. Step 2: Convert to fraction form
    131,096.41/180,906.07 = 77,361.82/x
  3. Step 3: Cross multiply
    131,096.41x = 180,906.07 × 77,361.82
  4. Step 4: Simplify right side
    131,096.41x = 13,995,222,824.25
  5. Step 5: Solve for x
    x = 13,995,222,824.25/131,096.41
  6. Step 6: Final answer
    x = 106,755.20

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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.