Home / 193,447.38-289,995.90-68,759.22

Finding the Fourth Proportional to 193,447.38, 289,995.90 and 68,759.22

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Solution

The fourth proportional to 193,447.38, 289,995.90 and 68,759.22 is: 103,076.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,447.38 : 289,995.90 = 68,759.22 : x
  2. Step 2: Convert to fraction form
    193,447.38/289,995.90 = 68,759.22/x
  3. Step 3: Cross multiply
    193,447.38x = 289,995.90 × 68,759.22
  4. Step 4: Simplify right side
    193,447.38x = 19,939,891,887.20
  5. Step 5: Solve for x
    x = 19,939,891,887.20/193,447.38
  6. Step 6: Final answer
    x = 103,076.57

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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.