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Finding the Fourth Proportional to 192,737.98, 289,126.32 and 66,361.50

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Solution

The fourth proportional to 192,737.98, 289,126.32 and 66,361.50 is: 99,548.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,737.98 : 289,126.32 = 66,361.50 : x
  2. Step 2: Convert to fraction form
    192,737.98/289,126.32 = 66,361.50/x
  3. Step 3: Cross multiply
    192,737.98x = 289,126.32 × 66,361.50
  4. Step 4: Simplify right side
    192,737.98x = 19,186,856,284.68
  5. Step 5: Solve for x
    x = 19,186,856,284.68/192,737.98
  6. Step 6: Final answer
    x = 99,548.91

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