Home / 192,664.08-288,996.54-103,959.36

Finding the Fourth Proportional to 192,664.08, 288,996.54 and 103,959.36

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Solution

The fourth proportional to 192,664.08, 288,996.54 and 103,959.36 is: 155,939.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,664.08 : 288,996.54 = 103,959.36 : x
  2. Step 2: Convert to fraction form
    192,664.08/288,996.54 = 103,959.36/x
  3. Step 3: Cross multiply
    192,664.08x = 288,996.54 × 103,959.36
  4. Step 4: Simplify right side
    192,664.08x = 30,043,895,340.61
  5. Step 5: Solve for x
    x = 30,043,895,340.61/192,664.08
  6. Step 6: Final answer
    x = 155,939.27

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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.