Home / 140,629.17-194,067.11-76,966.82

Finding the Fourth Proportional to 140,629.17, 194,067.11 and 76,966.82

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Solution

The fourth proportional to 140,629.17, 194,067.11 and 76,966.82 is: 106,213.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,629.17 : 194,067.11 = 76,966.82 : x
  2. Step 2: Convert to fraction form
    140,629.17/194,067.11 = 76,966.82/x
  3. Step 3: Cross multiply
    140,629.17x = 194,067.11 × 76,966.82
  4. Step 4: Simplify right side
    140,629.17x = 14,936,726,968.12
  5. Step 5: Solve for x
    x = 14,936,726,968.12/140,629.17
  6. Step 6: Final answer
    x = 106,213.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.