Home / 103,450.05-155,193.30-36,928.80

Finding the Fourth Proportional to 103,450.05, 155,193.30 and 36,928.80

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Solution

The fourth proportional to 103,450.05, 155,193.30 and 36,928.80 is: 55,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,450.05 : 155,193.30 = 36,928.80 : x
  2. Step 2: Convert to fraction form
    103,450.05/155,193.30 = 36,928.80/x
  3. Step 3: Cross multiply
    103,450.05x = 155,193.30 × 36,928.80
  4. Step 4: Simplify right side
    103,450.05x = 5,731,102,337.04
  5. Step 5: Solve for x
    x = 5,731,102,337.04/103,450.05
  6. Step 6: Final answer
    x = 55,399.71

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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.