Home / 143,778.74-215,564.96-54,957.38

Finding the Fourth Proportional to 143,778.74, 215,564.96 and 54,957.38

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Solution

The fourth proportional to 143,778.74, 215,564.96 and 54,957.38 is: 82,396.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,778.74 : 215,564.96 = 54,957.38 : x
  2. Step 2: Convert to fraction form
    143,778.74/215,564.96 = 54,957.38/x
  3. Step 3: Cross multiply
    143,778.74x = 215,564.96 × 54,957.38
  4. Step 4: Simplify right side
    143,778.74x = 11,846,884,480.97
  5. Step 5: Solve for x
    x = 11,846,884,480.97/143,778.74
  6. Step 6: Final answer
    x = 82,396.64

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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.