Home / 198,857.56-298,333.06-65,737.82

Finding the Fourth Proportional to 198,857.56, 298,333.06 and 65,737.82

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Solution

The fourth proportional to 198,857.56, 298,333.06 and 65,737.82 is: 98,622.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,857.56 : 298,333.06 = 65,737.82 : x
  2. Step 2: Convert to fraction form
    198,857.56/298,333.06 = 65,737.82/x
  3. Step 3: Cross multiply
    198,857.56x = 298,333.06 × 65,737.82
  4. Step 4: Simplify right side
    198,857.56x = 19,611,764,998.33
  5. Step 5: Solve for x
    x = 19,611,764,998.33/198,857.56
  6. Step 6: Final answer
    x = 98,622.17

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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.