Home / 199,150.32-274,823.64-108,505.20

Finding the Fourth Proportional to 199,150.32, 274,823.64 and 108,505.20

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Solution

The fourth proportional to 199,150.32, 274,823.64 and 108,505.20 is: 149,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,150.32 : 274,823.64 = 108,505.20 : x
  2. Step 2: Convert to fraction form
    199,150.32/274,823.64 = 108,505.20/x
  3. Step 3: Cross multiply
    199,150.32x = 274,823.64 × 108,505.20
  4. Step 4: Simplify right side
    199,150.32x = 29,819,794,022.93
  5. Step 5: Solve for x
    x = 29,819,794,022.93/199,150.32
  6. Step 6: Final answer
    x = 149,735.10

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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.