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Finding the Fourth Proportional to 166,294.78, 229,487.01 and 94,674.80

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Solution

The fourth proportional to 166,294.78, 229,487.01 and 94,674.80 is: 130,651.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,294.78 : 229,487.01 = 94,674.80 : x
  2. Step 2: Convert to fraction form
    166,294.78/229,487.01 = 94,674.80/x
  3. Step 3: Cross multiply
    166,294.78x = 229,487.01 × 94,674.80
  4. Step 4: Simplify right side
    166,294.78x = 21,726,635,963.94
  5. Step 5: Solve for x
    x = 21,726,635,963.94/166,294.78
  6. Step 6: Final answer
    x = 130,651.34

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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.