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Finding the Fourth Proportional to 168,392.42, 232,380.42 and 92,940.92

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Solution

The fourth proportional to 168,392.42, 232,380.42 and 92,940.92 is: 128,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,392.42 : 232,380.42 = 92,940.92 : x
  2. Step 2: Convert to fraction form
    168,392.42/232,380.42 = 92,940.92/x
  3. Step 3: Cross multiply
    168,392.42x = 232,380.42 × 92,940.92
  4. Step 4: Simplify right side
    168,392.42x = 21,597,650,024.79
  5. Step 5: Solve for x
    x = 21,597,650,024.79/168,392.42
  6. Step 6: Final answer
    x = 128,257.85

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1.5x scale

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.