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Finding the Fourth Proportional to 129,647.50, 194,504.05 and 36,153.26

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Solution

The fourth proportional to 129,647.50, 194,504.05 and 36,153.26 is: 54,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,647.50 : 194,504.05 = 36,153.26 : x
  2. Step 2: Convert to fraction form
    129,647.50/194,504.05 = 36,153.26/x
  3. Step 3: Cross multiply
    129,647.50x = 194,504.05 × 36,153.26
  4. Step 4: Simplify right side
    129,647.50x = 7,031,955,490.70
  5. Step 5: Solve for x
    x = 7,031,955,490.70/129,647.50
  6. Step 6: Final answer
    x = 54,239.04

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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.