Finding the Fourth Proportional to 126,233.16, 174,193.84 and 69,644.92
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Solution
The fourth proportional to 126,233.16, 174,193.84 and 69,644.92 is: 96,105.62
Step by Step Solution
- Step 1: Write the proportion equation
126,233.16 : 174,193.84 = 69,644.92 : x - Step 2: Convert to fraction form
126,233.16/174,193.84 = 69,644.92/x - Step 3: Cross multiply
126,233.16x = 174,193.84 × 69,644.92 - Step 4: Simplify right side
126,233.16x = 12,131,716,051.29 - Step 5: Solve for x
x = 12,131,716,051.29/126,233.16 - Step 6: Final answer
x = 96,105.62
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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.