Home / 198,985.56-274,555.62-166,850.16

Finding the Fourth Proportional to 198,985.56, 274,555.62 and 166,850.16

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Solution

The fourth proportional to 198,985.56, 274,555.62 and 166,850.16 is: 230,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,985.56 : 274,555.62 = 166,850.16 : x
  2. Step 2: Convert to fraction form
    198,985.56/274,555.62 = 166,850.16/x
  3. Step 3: Cross multiply
    198,985.56x = 274,555.62 × 166,850.16
  4. Step 4: Simplify right side
    198,985.56x = 45,809,649,125.90
  5. Step 5: Solve for x
    x = 45,809,649,125.90/198,985.56
  6. Step 6: Final answer
    x = 230,215.95

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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.