Home / 324,127.24-486,190.86-87,469.92

Finding the Fourth Proportional to 324,127.24, 486,190.86 and 87,469.92

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Solution

The fourth proportional to 324,127.24, 486,190.86 and 87,469.92 is: 131,204.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,127.24 : 486,190.86 = 87,469.92 : x
  2. Step 2: Convert to fraction form
    324,127.24/486,190.86 = 87,469.92/x
  3. Step 3: Cross multiply
    324,127.24x = 486,190.86 × 87,469.92
  4. Step 4: Simplify right side
    324,127.24x = 42,527,075,628.93
  5. Step 5: Solve for x
    x = 42,527,075,628.93/324,127.24
  6. Step 6: Final answer
    x = 131,204.88

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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.