Home / 190,422.53-262,786.37-104,375.78

Finding the Fourth Proportional to 190,422.53, 262,786.37 and 104,375.78

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Solution

The fourth proportional to 190,422.53, 262,786.37 and 104,375.78 is: 144,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,422.53 : 262,786.37 = 104,375.78 : x
  2. Step 2: Convert to fraction form
    190,422.53/262,786.37 = 104,375.78/x
  3. Step 3: Cross multiply
    190,422.53x = 262,786.37 × 104,375.78
  4. Step 4: Simplify right side
    190,422.53x = 27,428,530,506.31
  5. Step 5: Solve for x
    x = 27,428,530,506.31/190,422.53
  6. Step 6: Final answer
    x = 144,040.37

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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.