Home / 198,774.87-274,304.37-113,886.46

Finding the Fourth Proportional to 198,774.87, 274,304.37 and 113,886.46

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Solution

The fourth proportional to 198,774.87, 274,304.37 and 113,886.46 is: 157,160.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,774.87 : 274,304.37 = 113,886.46 : x
  2. Step 2: Convert to fraction form
    198,774.87/274,304.37 = 113,886.46/x
  3. Step 3: Cross multiply
    198,774.87x = 274,304.37 × 113,886.46
  4. Step 4: Simplify right side
    198,774.87x = 31,239,553,661.83
  5. Step 5: Solve for x
    x = 31,239,553,661.83/198,774.87
  6. Step 6: Final answer
    x = 157,160.48

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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.