Home / 126,103.22-189,369.09-84,252.24

Finding the Fourth Proportional to 126,103.22, 189,369.09 and 84,252.24

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Solution

The fourth proportional to 126,103.22, 189,369.09 and 84,252.24 is: 126,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,103.22 : 189,369.09 = 84,252.24 : x
  2. Step 2: Convert to fraction form
    126,103.22/189,369.09 = 84,252.24/x
  3. Step 3: Cross multiply
    126,103.22x = 189,369.09 × 84,252.24
  4. Step 4: Simplify right side
    126,103.22x = 15,954,768,651.16
  5. Step 5: Solve for x
    x = 15,954,768,651.16/126,103.22
  6. Step 6: Final answer
    x = 126,521.51

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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.