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Finding the Fourth Proportional to 141,678, 212,517.08 and 43,182

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Solution

The fourth proportional to 141,678, 212,517.08 and 43,182 is: 64,773.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,678 : 212,517.08 = 43,182 : x
  2. Step 2: Convert to fraction form
    141,678/212,517.08 = 43,182/x
  3. Step 3: Cross multiply
    141,678x = 212,517.08 × 43,182
  4. Step 4: Simplify right side
    141,678x = 9,176,912,548.56
  5. Step 5: Solve for x
    x = 9,176,912,548.56/141,678
  6. Step 6: Final answer
    x = 64,773.02

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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.