Home / 107,623.60-161,435.56-51,450.50

Finding the Fourth Proportional to 107,623.60, 161,435.56 and 51,450.50

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Solution

The fourth proportional to 107,623.60, 161,435.56 and 51,450.50 is: 77,175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,623.60 : 161,435.56 = 51,450.50 : x
  2. Step 2: Convert to fraction form
    107,623.60/161,435.56 = 51,450.50/x
  3. Step 3: Cross multiply
    107,623.60x = 161,435.56 × 51,450.50
  4. Step 4: Simplify right side
    107,623.60x = 8,305,940,279.78
  5. Step 5: Solve for x
    x = 8,305,940,279.78/107,623.60
  6. Step 6: Final answer
    x = 77,175.83

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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.