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Finding the Fourth Proportional to 168,808.89, 232,846.30 and 108,283.67

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Solution

The fourth proportional to 168,808.89, 232,846.30 and 108,283.67 is: 149,360.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,808.89 : 232,846.30 = 108,283.67 : x
  2. Step 2: Convert to fraction form
    168,808.89/232,846.30 = 108,283.67/x
  3. Step 3: Cross multiply
    168,808.89x = 232,846.30 × 108,283.67
  4. Step 4: Simplify right side
    168,808.89x = 25,213,451,909.92
  5. Step 5: Solve for x
    x = 25,213,451,909.92/168,808.89
  6. Step 6: Final answer
    x = 149,360.92

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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.