Home / 193,352.39-266,828.12-108,471.28

Finding the Fourth Proportional to 193,352.39, 266,828.12 and 108,471.28

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Solution

The fourth proportional to 193,352.39, 266,828.12 and 108,471.28 is: 149,691.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,352.39 : 266,828.12 = 108,471.28 : x
  2. Step 2: Convert to fraction form
    193,352.39/266,828.12 = 108,471.28/x
  3. Step 3: Cross multiply
    193,352.39x = 266,828.12 × 108,471.28
  4. Step 4: Simplify right side
    193,352.39x = 28,943,187,716.39
  5. Step 5: Solve for x
    x = 28,943,187,716.39/193,352.39
  6. Step 6: Final answer
    x = 149,691.39

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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.