Home / 84,165.82-126,139.62-34,187.38

Finding the Fourth Proportional to 84,165.82, 126,139.62 and 34,187.38

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Solution

The fourth proportional to 84,165.82, 126,139.62 and 34,187.38 is: 51,236.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,165.82 : 126,139.62 = 34,187.38 : x
  2. Step 2: Convert to fraction form
    84,165.82/126,139.62 = 34,187.38/x
  3. Step 3: Cross multiply
    84,165.82x = 126,139.62 × 34,187.38
  4. Step 4: Simplify right side
    84,165.82x = 4,312,383,122.00
  5. Step 5: Solve for x
    x = 4,312,383,122.00/84,165.82
  6. Step 6: Final answer
    x = 51,236.75

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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.