Finding the Fourth Proportional to 126,245.07, 174,221.84 and 69,660.09
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Solution
The fourth proportional to 126,245.07, 174,221.84 and 69,660.09 is: 96,132.93
Step by Step Solution
- Step 1: Write the proportion equation
126,245.07 : 174,221.84 = 69,660.09 : x - Step 2: Convert to fraction form
126,245.07/174,221.84 = 69,660.09/x - Step 3: Cross multiply
126,245.07x = 174,221.84 × 69,660.09 - Step 4: Simplify right side
126,245.07x = 12,136,308,706.07 - Step 5: Solve for x
x = 12,136,308,706.07/126,245.07 - Step 6: Final answer
x = 96,132.93
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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.