Home / 110,778.98-166,207.36-69,177.38

Finding the Fourth Proportional to 110,778.98, 166,207.36 and 69,177.38

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Solution

The fourth proportional to 110,778.98, 166,207.36 and 69,177.38 is: 103,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,778.98 : 166,207.36 = 69,177.38 : x
  2. Step 2: Convert to fraction form
    110,778.98/166,207.36 = 69,177.38/x
  3. Step 3: Cross multiply
    110,778.98x = 166,207.36 × 69,177.38
  4. Step 4: Simplify right side
    110,778.98x = 11,497,789,701.52
  5. Step 5: Solve for x
    x = 11,497,789,701.52/110,778.98
  6. Step 6: Final answer
    x = 103,790.36

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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.