Home / 203,254.36-304,857.78-81,669.98

Finding the Fourth Proportional to 203,254.36, 304,857.78 and 81,669.98

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Solution

The fourth proportional to 203,254.36, 304,857.78 and 81,669.98 is: 122,495.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,254.36 : 304,857.78 = 81,669.98 : x
  2. Step 2: Convert to fraction form
    203,254.36/304,857.78 = 81,669.98/x
  3. Step 3: Cross multiply
    203,254.36x = 304,857.78 × 81,669.98
  4. Step 4: Simplify right side
    203,254.36x = 24,897,728,795.44
  5. Step 5: Solve for x
    x = 24,897,728,795.44/203,254.36
  6. Step 6: Final answer
    x = 122,495.42

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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.