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Finding the Fourth Proportional to 111,737.94, 154,198.34 and 61,436.94

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Solution

The fourth proportional to 111,737.94, 154,198.34 and 61,436.94 is: 84,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,737.94 : 154,198.34 = 61,436.94 : x
  2. Step 2: Convert to fraction form
    111,737.94/154,198.34 = 61,436.94/x
  3. Step 3: Cross multiply
    111,737.94x = 154,198.34 × 61,436.94
  4. Step 4: Simplify right side
    111,737.94x = 9,473,474,162.68
  5. Step 5: Solve for x
    x = 9,473,474,162.68/111,737.94
  6. Step 6: Final answer
    x = 84,782.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.