Home / 198,955.13-274,558.07-109,531.13

Finding the Fourth Proportional to 198,955.13, 274,558.07 and 109,531.13

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Solution

The fourth proportional to 198,955.13, 274,558.07 and 109,531.13 is: 151,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,955.13 : 274,558.07 = 109,531.13 : x
  2. Step 2: Convert to fraction form
    198,955.13/274,558.07 = 109,531.13/x
  3. Step 3: Cross multiply
    198,955.13x = 274,558.07 × 109,531.13
  4. Step 4: Simplify right side
    198,955.13x = 30,072,654,558.76
  5. Step 5: Solve for x
    x = 30,072,654,558.76/198,955.13
  6. Step 6: Final answer
    x = 151,152.95

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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.