Home / 166,539.12-229,825.80-91,086

Finding the Fourth Proportional to 166,539.12, 229,825.80 and 91,086

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Solution

The fourth proportional to 166,539.12, 229,825.80 and 91,086 is: 125,699.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,539.12 : 229,825.80 = 91,086 : x
  2. Step 2: Convert to fraction form
    166,539.12/229,825.80 = 91,086/x
  3. Step 3: Cross multiply
    166,539.12x = 229,825.80 × 91,086
  4. Step 4: Simplify right side
    166,539.12x = 20,933,912,818.80
  5. Step 5: Solve for x
    x = 20,933,912,818.80/166,539.12
  6. Step 6: Final answer
    x = 125,699.67

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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.