Home / 115,627.24-173,452.38-31,388.77

Finding the Fourth Proportional to 115,627.24, 173,452.38 and 31,388.77

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Solution

The fourth proportional to 115,627.24, 173,452.38 and 31,388.77 is: 47,086.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,627.24 : 173,452.38 = 31,388.77 : x
  2. Step 2: Convert to fraction form
    115,627.24/173,452.38 = 31,388.77/x
  3. Step 3: Cross multiply
    115,627.24x = 173,452.38 × 31,388.77
  4. Step 4: Simplify right side
    115,627.24x = 5,444,456,861.77
  5. Step 5: Solve for x
    x = 5,444,456,861.77/115,627.24
  6. Step 6: Final answer
    x = 47,086.28

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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.