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Finding the Fourth Proportional to 94,791.70, 142,126.80 and 44,806.60

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Solution

The fourth proportional to 94,791.70, 142,126.80 and 44,806.60 is: 67,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,791.70 : 142,126.80 = 44,806.60 : x
  2. Step 2: Convert to fraction form
    94,791.70/142,126.80 = 44,806.60/x
  3. Step 3: Cross multiply
    94,791.70x = 142,126.80 × 44,806.60
  4. Step 4: Simplify right side
    94,791.70x = 6,368,218,676.88
  5. Step 5: Solve for x
    x = 6,368,218,676.88/94,791.70
  6. Step 6: Final answer
    x = 67,181.18

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Why These Related Problems?

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