Home / 192,581.52-288,996.20-103,896.24

Finding the Fourth Proportional to 192,581.52, 288,996.20 and 103,896.24

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Solution

The fourth proportional to 192,581.52, 288,996.20 and 103,896.24 is: 155,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,581.52 : 288,996.20 = 103,896.24 : x
  2. Step 2: Convert to fraction form
    192,581.52/288,996.20 = 103,896.24/x
  3. Step 3: Cross multiply
    192,581.52x = 288,996.20 × 103,896.24
  4. Step 4: Simplify right side
    192,581.52x = 30,025,618,554.29
  5. Step 5: Solve for x
    x = 30,025,618,554.29/192,581.52
  6. Step 6: Final answer
    x = 155,911.21

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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.