Home / 460,682.12-691,121.57-161,172.47

Finding the Fourth Proportional to 460,682.12, 691,121.57 and 161,172.47

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Solution

The fourth proportional to 460,682.12, 691,121.57 and 161,172.47 is: 241,793.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,682.12 : 691,121.57 = 161,172.47 : x
  2. Step 2: Convert to fraction form
    460,682.12/691,121.57 = 161,172.47/x
  3. Step 3: Cross multiply
    460,682.12x = 691,121.57 × 161,172.47
  4. Step 4: Simplify right side
    460,682.12x = 111,389,766,245.71
  5. Step 5: Solve for x
    x = 111,389,766,245.71/460,682.12
  6. Step 6: Final answer
    x = 241,793.12

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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.