Home / 261,934.54-392,974.32-104,273.68

Finding the Fourth Proportional to 261,934.54, 392,974.32 and 104,273.68

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Solution

The fourth proportional to 261,934.54, 392,974.32 and 104,273.68 is: 156,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,934.54 : 392,974.32 = 104,273.68 : x
  2. Step 2: Convert to fraction form
    261,934.54/392,974.32 = 104,273.68/x
  3. Step 3: Cross multiply
    261,934.54x = 392,974.32 × 104,273.68
  4. Step 4: Simplify right side
    261,934.54x = 40,976,878,491.90
  5. Step 5: Solve for x
    x = 40,976,878,491.90/261,934.54
  6. Step 6: Final answer
    x = 156,439.39

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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.