Home / 198,731.52-274,250.64-108,088.56

Finding the Fourth Proportional to 198,731.52, 274,250.64 and 108,088.56

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Solution

The fourth proportional to 198,731.52, 274,250.64 and 108,088.56 is: 149,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,731.52 : 274,250.64 = 108,088.56 : x
  2. Step 2: Convert to fraction form
    198,731.52/274,250.64 = 108,088.56/x
  3. Step 3: Cross multiply
    198,731.52x = 274,250.64 × 108,088.56
  4. Step 4: Simplify right side
    198,731.52x = 29,643,356,756.68
  5. Step 5: Solve for x
    x = 29,643,356,756.68/198,731.52
  6. Step 6: Final answer
    x = 149,162.83

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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.