Finding the Fourth Proportional to 126,450.54, 189,673.92 and 37,704.42
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Solution
The fourth proportional to 126,450.54, 189,673.92 and 37,704.42 is: 56,556.07
Step by Step Solution
- Step 1: Write the proportion equation
126,450.54 : 189,673.92 = 37,704.42 : x - Step 2: Convert to fraction form
126,450.54/189,673.92 = 37,704.42/x - Step 3: Cross multiply
126,450.54x = 189,673.92 × 37,704.42 - Step 4: Simplify right side
126,450.54x = 7,151,545,142.73 - Step 5: Solve for x
x = 7,151,545,142.73/126,450.54 - Step 6: Final answer
x = 56,556.07
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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.