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Finding the Fourth Proportional to 166,456, 229,714.95 and 91,009.36

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Solution

The fourth proportional to 166,456, 229,714.95 and 91,009.36 is: 125,596.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,456 : 229,714.95 = 91,009.36 : x
  2. Step 2: Convert to fraction form
    166,456/229,714.95 = 91,009.36/x
  3. Step 3: Cross multiply
    166,456x = 229,714.95 × 91,009.36
  4. Step 4: Simplify right side
    166,456x = 20,906,210,581.93
  5. Step 5: Solve for x
    x = 20,906,210,581.93/166,456
  6. Step 6: Final answer
    x = 125,596.02

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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.