Home / 104,204.80-143,763.78-68,414.68

Finding the Fourth Proportional to 104,204.80, 143,763.78 and 68,414.68

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Solution

The fourth proportional to 104,204.80, 143,763.78 and 68,414.68 is: 94,386.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,204.80 : 143,763.78 = 68,414.68 : x
  2. Step 2: Convert to fraction form
    104,204.80/143,763.78 = 68,414.68/x
  3. Step 3: Cross multiply
    104,204.80x = 143,763.78 × 68,414.68
  4. Step 4: Simplify right side
    104,204.80x = 9,835,553,004.29
  5. Step 5: Solve for x
    x = 9,835,553,004.29/104,204.80
  6. Step 6: Final answer
    x = 94,386.76

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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.