Home / 190,146.43-262,405.18-104,103.97

Finding the Fourth Proportional to 190,146.43, 262,405.18 and 104,103.97

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Solution

The fourth proportional to 190,146.43, 262,405.18 and 104,103.97 is: 143,665.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,146.43 : 262,405.18 = 104,103.97 : x
  2. Step 2: Convert to fraction form
    190,146.43/262,405.18 = 104,103.97/x
  3. Step 3: Cross multiply
    190,146.43x = 262,405.18 × 104,103.97
  4. Step 4: Simplify right side
    190,146.43x = 27,317,420,986.56
  5. Step 5: Solve for x
    x = 27,317,420,986.56/190,146.43
  6. Step 6: Final answer
    x = 143,665.18

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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.