Home / 126,222.09-189,152.70-92,678.97

Finding the Fourth Proportional to 126,222.09, 189,152.70 and 92,678.97

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Solution

The fourth proportional to 126,222.09, 189,152.70 and 92,678.97 is: 138,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,222.09 : 189,152.70 = 92,678.97 : x
  2. Step 2: Convert to fraction form
    126,222.09/189,152.70 = 92,678.97/x
  3. Step 3: Cross multiply
    126,222.09x = 189,152.70 × 92,678.97
  4. Step 4: Simplify right side
    126,222.09x = 17,530,477,408.72
  5. Step 5: Solve for x
    x = 17,530,477,408.72/126,222.09
  6. Step 6: Final answer
    x = 138,885.97

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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.