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Finding the Fourth Proportional to 178,489.62, 246,314.22 and 96,817.67

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Solution

The fourth proportional to 178,489.62, 246,314.22 and 96,817.67 is: 133,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,489.62 : 246,314.22 = 96,817.67 : x
  2. Step 2: Convert to fraction form
    178,489.62/246,314.22 = 96,817.67/x
  3. Step 3: Cross multiply
    178,489.62x = 246,314.22 × 96,817.67
  4. Step 4: Simplify right side
    178,489.62x = 23,847,568,868.27
  5. Step 5: Solve for x
    x = 23,847,568,868.27/178,489.62
  6. Step 6: Final answer
    x = 133,607.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.