Home / 270,012.12-372,601.30-161,239.22

Finding the Fourth Proportional to 270,012.12, 372,601.30 and 161,239.22

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Solution

The fourth proportional to 270,012.12, 372,601.30 and 161,239.22 is: 222,500.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,012.12 : 372,601.30 = 161,239.22 : x
  2. Step 2: Convert to fraction form
    270,012.12/372,601.30 = 161,239.22/x
  3. Step 3: Cross multiply
    270,012.12x = 372,601.30 × 161,239.22
  4. Step 4: Simplify right side
    270,012.12x = 60,077,942,982.99
  5. Step 5: Solve for x
    x = 60,077,942,982.99/270,012.12
  6. Step 6: Final answer
    x = 222,500.91

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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.