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Finding the Fourth Proportional to 166,758.62, 230,129.43 and 91,314.14

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Solution

The fourth proportional to 166,758.62, 230,129.43 and 91,314.14 is: 126,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,758.62 : 230,129.43 = 91,314.14 : x
  2. Step 2: Convert to fraction form
    166,758.62/230,129.43 = 91,314.14/x
  3. Step 3: Cross multiply
    166,758.62x = 230,129.43 × 91,314.14
  4. Step 4: Simplify right side
    166,758.62x = 21,014,070,989.14
  5. Step 5: Solve for x
    x = 21,014,070,989.14/166,758.62
  6. Step 6: Final answer
    x = 126,014.90

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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.