Home / 103,450.58-155,243.92-56,736.26

Finding the Fourth Proportional to 103,450.58, 155,243.92 and 56,736.26

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Solution

The fourth proportional to 103,450.58, 155,243.92 and 56,736.26 is: 85,141.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,450.58 : 155,243.92 = 56,736.26 : x
  2. Step 2: Convert to fraction form
    103,450.58/155,243.92 = 56,736.26/x
  3. Step 3: Cross multiply
    103,450.58x = 155,243.92 × 56,736.26
  4. Step 4: Simplify right side
    103,450.58x = 8,807,959,408.54
  5. Step 5: Solve for x
    x = 8,807,959,408.54/103,450.58
  6. Step 6: Final answer
    x = 85,141.71

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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.