Finding the Fourth Proportional to 126,176.89, 189,236.16 and 37,408.99
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Solution
The fourth proportional to 126,176.89, 189,236.16 and 37,408.99 is: 56,104.83
Step by Step Solution
- Step 1: Write the proportion equation
126,176.89 : 189,236.16 = 37,408.99 : x - Step 2: Convert to fraction form
126,176.89/189,236.16 = 37,408.99/x - Step 3: Cross multiply
126,176.89x = 189,236.16 × 37,408.99 - Step 4: Simplify right side
126,176.89x = 7,079,133,393.59 - Step 5: Solve for x
x = 7,079,133,393.59/126,176.89 - Step 6: Final answer
x = 56,104.83
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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.