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Finding the Fourth Proportional to 166,079, 229,189.02 and 99,011

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Solution

The fourth proportional to 166,079, 229,189.02 and 99,011 is: 136,635.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,079 : 229,189.02 = 99,011 : x
  2. Step 2: Convert to fraction form
    166,079/229,189.02 = 99,011/x
  3. Step 3: Cross multiply
    166,079x = 229,189.02 × 99,011
  4. Step 4: Simplify right side
    166,079x = 22,692,234,059.22
  5. Step 5: Solve for x
    x = 22,692,234,059.22/166,079
  6. Step 6: Final answer
    x = 136,635.18

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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.