Finding the Fourth Proportional to 126,302.99, 174,302.34 and 68,945.70
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Solution
The fourth proportional to 126,302.99, 174,302.34 and 68,945.70 is: 95,147.37
Step by Step Solution
- Step 1: Write the proportion equation
126,302.99 : 174,302.34 = 68,945.70 : x - Step 2: Convert to fraction form
126,302.99/174,302.34 = 68,945.70/x - Step 3: Cross multiply
126,302.99x = 174,302.34 × 68,945.70 - Step 4: Simplify right side
126,302.99x = 12,017,397,238.03 - Step 5: Solve for x
x = 12,017,397,238.03/126,302.99 - Step 6: Final answer
x = 95,147.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.