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Finding the Fourth Proportional to 68,102.18, 102,174.11 and 34,845.89

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Solution

The fourth proportional to 68,102.18, 102,174.11 and 34,845.89 is: 52,279.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,102.18 : 102,174.11 = 34,845.89 : x
  2. Step 2: Convert to fraction form
    68,102.18/102,174.11 = 34,845.89/x
  3. Step 3: Cross multiply
    68,102.18x = 102,174.11 × 34,845.89
  4. Step 4: Simplify right side
    68,102.18x = 3,560,347,112.81
  5. Step 5: Solve for x
    x = 3,560,347,112.81/68,102.18
  6. Step 6: Final answer
    x = 52,279.49

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1.5x scale

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.