Home / 181,012.20-271,955.70-161,766.60

Finding the Fourth Proportional to 181,012.20, 271,955.70 and 161,766.60

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Solution

The fourth proportional to 181,012.20, 271,955.70 and 161,766.60 is: 243,040.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,012.20 : 271,955.70 = 161,766.60 : x
  2. Step 2: Convert to fraction form
    181,012.20/271,955.70 = 161,766.60/x
  3. Step 3: Cross multiply
    181,012.20x = 271,955.70 × 161,766.60
  4. Step 4: Simplify right side
    181,012.20x = 43,993,348,939.62
  5. Step 5: Solve for x
    x = 43,993,348,939.62/181,012.20
  6. Step 6: Final answer
    x = 243,040.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.