Home / 112,794-169,163.28-49,629.99

Finding the Fourth Proportional to 112,794, 169,163.28 and 49,629.99

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Solution

The fourth proportional to 112,794, 169,163.28 and 49,629.99 is: 74,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,794 : 169,163.28 = 49,629.99 : x
  2. Step 2: Convert to fraction form
    112,794/169,163.28 = 49,629.99/x
  3. Step 3: Cross multiply
    112,794x = 169,163.28 × 49,629.99
  4. Step 4: Simplify right side
    112,794x = 8,395,571,894.77
  5. Step 5: Solve for x
    x = 8,395,571,894.77/112,794
  6. Step 6: Final answer
    x = 74,432.79

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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.