Home / 198,848.54-274,422.81-113,971.06

Finding the Fourth Proportional to 198,848.54, 274,422.81 and 113,971.06

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Solution

The fourth proportional to 198,848.54, 274,422.81 and 113,971.06 is: 157,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,848.54 : 274,422.81 = 113,971.06 : x
  2. Step 2: Convert to fraction form
    198,848.54/274,422.81 = 113,971.06/x
  3. Step 3: Cross multiply
    198,848.54x = 274,422.81 × 113,971.06
  4. Step 4: Simplify right side
    198,848.54x = 31,276,258,543.88
  5. Step 5: Solve for x
    x = 31,276,258,543.88/198,848.54
  6. Step 6: Final answer
    x = 157,286.84

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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.