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Finding the Fourth Proportional to 166,644, 229,970.88 and 91,190.88

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Solution

The fourth proportional to 166,644, 229,970.88 and 91,190.88 is: 125,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,644 : 229,970.88 = 91,190.88 : x
  2. Step 2: Convert to fraction form
    166,644/229,970.88 = 91,190.88/x
  3. Step 3: Cross multiply
    166,644x = 229,970.88 × 91,190.88
  4. Step 4: Simplify right side
    166,644x = 20,971,246,921.57
  5. Step 5: Solve for x
    x = 20,971,246,921.57/166,644
  6. Step 6: Final answer
    x = 125,844.60

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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.