Home / 198,634.47-274,120.97-107,996.52

Finding the Fourth Proportional to 198,634.47, 274,120.97 and 107,996.52

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Solution

The fourth proportional to 198,634.47, 274,120.97 and 107,996.52 is: 149,038.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,634.47 : 274,120.97 = 107,996.52 : x
  2. Step 2: Convert to fraction form
    198,634.47/274,120.97 = 107,996.52/x
  3. Step 3: Cross multiply
    198,634.47x = 274,120.97 × 107,996.52
  4. Step 4: Simplify right side
    198,634.47x = 29,604,111,307.00
  5. Step 5: Solve for x
    x = 29,604,111,307.00/198,634.47
  6. Step 6: Final answer
    x = 149,038.14

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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.