Home / 103,965.62-155,818.92-47,745.96

Finding the Fourth Proportional to 103,965.62, 155,818.92 and 47,745.96

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Solution

The fourth proportional to 103,965.62, 155,818.92 and 47,745.96 is: 71,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,965.62 : 155,818.92 = 47,745.96 : x
  2. Step 2: Convert to fraction form
    103,965.62/155,818.92 = 47,745.96/x
  3. Step 3: Cross multiply
    103,965.62x = 155,818.92 × 47,745.96
  4. Step 4: Simplify right side
    103,965.62x = 7,439,723,921.56
  5. Step 5: Solve for x
    x = 7,439,723,921.56/103,965.62
  6. Step 6: Final answer
    x = 71,559.46

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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.