Home / 199,203.12-274,900.34-108,559.10

Finding the Fourth Proportional to 199,203.12, 274,900.34 and 108,559.10

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Solution

The fourth proportional to 199,203.12, 274,900.34 and 108,559.10 is: 149,811.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,203.12 : 274,900.34 = 108,559.10 : x
  2. Step 2: Convert to fraction form
    199,203.12/274,900.34 = 108,559.10/x
  3. Step 3: Cross multiply
    199,203.12x = 274,900.34 × 108,559.10
  4. Step 4: Simplify right side
    199,203.12x = 29,842,933,500.09
  5. Step 5: Solve for x
    x = 29,842,933,500.09/199,203.12
  6. Step 6: Final answer
    x = 149,811.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.