Home / 103,768.56-155,701.44-51,149.34

Finding the Fourth Proportional to 103,768.56, 155,701.44 and 51,149.34

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Solution

The fourth proportional to 103,768.56, 155,701.44 and 51,149.34 is: 76,747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,768.56 : 155,701.44 = 51,149.34 : x
  2. Step 2: Convert to fraction form
    103,768.56/155,701.44 = 51,149.34/x
  3. Step 3: Cross multiply
    103,768.56x = 155,701.44 × 51,149.34
  4. Step 4: Simplify right side
    103,768.56x = 7,964,025,893.05
  5. Step 5: Solve for x
    x = 7,964,025,893.05/103,768.56
  6. Step 6: Final answer
    x = 76,747.97

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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.