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Finding the Fourth Proportional to 166,587, 229,890.12 and 91,137.12

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Solution

The fourth proportional to 166,587, 229,890.12 and 91,137.12 is: 125,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,587 : 229,890.12 = 91,137.12 : x
  2. Step 2: Convert to fraction form
    166,587/229,890.12 = 91,137.12/x
  3. Step 3: Cross multiply
    166,587x = 229,890.12 × 91,137.12
  4. Step 4: Simplify right side
    166,587x = 20,951,523,453.25
  5. Step 5: Solve for x
    x = 20,951,523,453.25/166,587
  6. Step 6: Final answer
    x = 125,769.26

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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.