Home / 112,716.68-169,107.96-50,372.60

Finding the Fourth Proportional to 112,716.68, 169,107.96 and 50,372.60

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Solution

The fourth proportional to 112,716.68, 169,107.96 and 50,372.60 is: 75,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,716.68 : 169,107.96 = 50,372.60 : x
  2. Step 2: Convert to fraction form
    112,716.68/169,107.96 = 50,372.60/x
  3. Step 3: Cross multiply
    112,716.68x = 169,107.96 × 50,372.60
  4. Step 4: Simplify right side
    112,716.68x = 8,518,407,625.90
  5. Step 5: Solve for x
    x = 8,518,407,625.90/112,716.68
  6. Step 6: Final answer
    x = 75,573.62

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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.