Home / 126,198.14-174,162.76-72,485.42

Finding the Fourth Proportional to 126,198.14, 174,162.76 and 72,485.42

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Solution

The fourth proportional to 126,198.14, 174,162.76 and 72,485.42 is: 100,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,198.14 : 174,162.76 = 72,485.42 : x
  2. Step 2: Convert to fraction form
    126,198.14/174,162.76 = 72,485.42/x
  3. Step 3: Cross multiply
    126,198.14x = 174,162.76 × 72,485.42
  4. Step 4: Simplify right side
    126,198.14x = 12,624,259,754.93
  5. Step 5: Solve for x
    x = 12,624,259,754.93/126,198.14
  6. Step 6: Final answer
    x = 100,035.23

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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.