Home / 193,875.90-290,694.78-75,409.17

Finding the Fourth Proportional to 193,875.90, 290,694.78 and 75,409.17

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Solution

The fourth proportional to 193,875.90, 290,694.78 and 75,409.17 is: 113,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,875.90 : 290,694.78 = 75,409.17 : x
  2. Step 2: Convert to fraction form
    193,875.90/290,694.78 = 75,409.17/x
  3. Step 3: Cross multiply
    193,875.90x = 290,694.78 × 75,409.17
  4. Step 4: Simplify right side
    193,875.90x = 21,921,052,083.13
  5. Step 5: Solve for x
    x = 21,921,052,083.13/193,875.90
  6. Step 6: Final answer
    x = 113,067.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.