Home / 166,639-229,961.84-91,187.52

Finding the Fourth Proportional to 166,639, 229,961.84 and 91,187.52

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Solution

The fourth proportional to 166,639, 229,961.84 and 91,187.52 is: 125,838.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,639 : 229,961.84 = 91,187.52 : x
  2. Step 2: Convert to fraction form
    166,639/229,961.84 = 91,187.52/x
  3. Step 3: Cross multiply
    166,639x = 229,961.84 × 91,187.52
  4. Step 4: Simplify right side
    166,639x = 20,969,649,884.24
  5. Step 5: Solve for x
    x = 20,969,649,884.24/166,639
  6. Step 6: Final answer
    x = 125,838.79

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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.