Home / 203,203.20-304,755.78-84,810.36

Finding the Fourth Proportional to 203,203.20, 304,755.78 and 84,810.36

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Solution

The fourth proportional to 203,203.20, 304,755.78 and 84,810.36 is: 127,195.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,203.20 : 304,755.78 = 84,810.36 : x
  2. Step 2: Convert to fraction form
    203,203.20/304,755.78 = 84,810.36/x
  3. Step 3: Cross multiply
    203,203.20x = 304,755.78 × 84,810.36
  4. Step 4: Simplify right side
    203,203.20x = 25,846,447,413.88
  5. Step 5: Solve for x
    x = 25,846,447,413.88/203,203.20
  6. Step 6: Final answer
    x = 127,195.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.