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Finding the Fourth Proportional to 129,855.54, 194,768.73 and 36,368.58

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Solution

The fourth proportional to 129,855.54, 194,768.73 and 36,368.58 is: 54,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,855.54 : 194,768.73 = 36,368.58 : x
  2. Step 2: Convert to fraction form
    129,855.54/194,768.73 = 36,368.58/x
  3. Step 3: Cross multiply
    129,855.54x = 194,768.73 × 36,368.58
  4. Step 4: Simplify right side
    129,855.54x = 7,083,462,138.50
  5. Step 5: Solve for x
    x = 7,083,462,138.50/129,855.54
  6. Step 6: Final answer
    x = 54,548.79

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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.