Home / 198,717.59-274,227.63-108,071.60

Finding the Fourth Proportional to 198,717.59, 274,227.63 and 108,071.60

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Solution

The fourth proportional to 198,717.59, 274,227.63 and 108,071.60 is: 149,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,717.59 : 274,227.63 = 108,071.60 : x
  2. Step 2: Convert to fraction form
    198,717.59/274,227.63 = 108,071.60/x
  3. Step 3: Cross multiply
    198,717.59x = 274,227.63 × 108,071.60
  4. Step 4: Simplify right side
    198,717.59x = 29,636,219,661.33
  5. Step 5: Solve for x
    x = 29,636,219,661.33/198,717.59
  6. Step 6: Final answer
    x = 149,137.37

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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.