Home / 262,734.48-394,157.07-85,227.63

Finding the Fourth Proportional to 262,734.48, 394,157.07 and 85,227.63

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Solution

The fourth proportional to 262,734.48, 394,157.07 and 85,227.63 is: 127,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,734.48 : 394,157.07 = 85,227.63 : x
  2. Step 2: Convert to fraction form
    262,734.48/394,157.07 = 85,227.63/x
  3. Step 3: Cross multiply
    262,734.48x = 394,157.07 × 85,227.63
  4. Step 4: Simplify right side
    262,734.48x = 33,593,072,923.84
  5. Step 5: Solve for x
    x = 33,593,072,923.84/262,734.48
  6. Step 6: Final answer
    x = 127,859.40

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1.5x scale

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.