Home / 115,317.15-172,993.55-48,757.56

Finding the Fourth Proportional to 115,317.15, 172,993.55 and 48,757.56

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Solution

The fourth proportional to 115,317.15, 172,993.55 and 48,757.56 is: 73,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,317.15 : 172,993.55 = 48,757.56 : x
  2. Step 2: Convert to fraction form
    115,317.15/172,993.55 = 48,757.56/x
  3. Step 3: Cross multiply
    115,317.15x = 172,993.55 × 48,757.56
  4. Step 4: Simplify right side
    115,317.15x = 8,434,743,149.95
  5. Step 5: Solve for x
    x = 8,434,743,149.95/115,317.15
  6. Step 6: Final answer
    x = 73,143.87

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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.