Home / 141,283.38-194,982-80,872.98

Finding the Fourth Proportional to 141,283.38, 194,982 and 80,872.98

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Solution

The fourth proportional to 141,283.38, 194,982 and 80,872.98 is: 111,610.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,283.38 : 194,982 = 80,872.98 : x
  2. Step 2: Convert to fraction form
    141,283.38/194,982 = 80,872.98/x
  3. Step 3: Cross multiply
    141,283.38x = 194,982 × 80,872.98
  4. Step 4: Simplify right side
    141,283.38x = 15,768,775,386.36
  5. Step 5: Solve for x
    x = 15,768,775,386.36/141,283.38
  6. Step 6: Final answer
    x = 111,610.97

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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.