Home / 115,174.75-172,770.87-39,249.69

Finding the Fourth Proportional to 115,174.75, 172,770.87 and 39,249.69

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Solution

The fourth proportional to 115,174.75, 172,770.87 and 39,249.69 is: 58,877.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,174.75 : 172,770.87 = 39,249.69 : x
  2. Step 2: Convert to fraction form
    115,174.75/172,770.87 = 39,249.69/x
  3. Step 3: Cross multiply
    115,174.75x = 172,770.87 × 39,249.69
  4. Step 4: Simplify right side
    115,174.75x = 6,781,203,014.94
  5. Step 5: Solve for x
    x = 6,781,203,014.94/115,174.75
  6. Step 6: Final answer
    x = 58,877.52

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1.5x scale

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.