Home / 126,450.27-189,781.81-63,251.43

Finding the Fourth Proportional to 126,450.27, 189,781.81 and 63,251.43

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Solution

The fourth proportional to 126,450.27, 189,781.81 and 63,251.43 is: 94,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,450.27 : 189,781.81 = 63,251.43 : x
  2. Step 2: Convert to fraction form
    126,450.27/189,781.81 = 63,251.43/x
  3. Step 3: Cross multiply
    126,450.27x = 189,781.81 × 63,251.43
  4. Step 4: Simplify right side
    126,450.27x = 12,003,970,870.49
  5. Step 5: Solve for x
    x = 12,003,970,870.49/126,450.27
  6. Step 6: Final answer
    x = 94,930.37

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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.