Home / 167,778.84-251,694.18-61,171.80

Finding the Fourth Proportional to 167,778.84, 251,694.18 and 61,171.80

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Solution

The fourth proportional to 167,778.84, 251,694.18 and 61,171.80 is: 91,767.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,778.84 : 251,694.18 = 61,171.80 : x
  2. Step 2: Convert to fraction form
    167,778.84/251,694.18 = 61,171.80/x
  3. Step 3: Cross multiply
    167,778.84x = 251,694.18 × 61,171.80
  4. Step 4: Simplify right side
    167,778.84x = 15,396,586,040.12
  5. Step 5: Solve for x
    x = 15,396,586,040.12/167,778.84
  6. Step 6: Final answer
    x = 91,767.15

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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.