Home / 239,195.22-330,087.87-131,762.76

Finding the Fourth Proportional to 239,195.22, 330,087.87 and 131,762.76

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Solution

The fourth proportional to 239,195.22, 330,087.87 and 131,762.76 is: 181,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,195.22 : 330,087.87 = 131,762.76 : x
  2. Step 2: Convert to fraction form
    239,195.22/330,087.87 = 131,762.76/x
  3. Step 3: Cross multiply
    239,195.22x = 330,087.87 × 131,762.76
  4. Step 4: Simplify right side
    239,195.22x = 43,493,288,793.72
  5. Step 5: Solve for x
    x = 43,493,288,793.72/239,195.22
  6. Step 6: Final answer
    x = 181,831.76

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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.