Finding the Fourth Proportional to 126,229.88, 174,198.30 and 69,645.08
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Solution
The fourth proportional to 126,229.88, 174,198.30 and 69,645.08 is: 96,110.80
Step by Step Solution
- Step 1: Write the proportion equation
126,229.88 : 174,198.30 = 69,645.08 : x - Step 2: Convert to fraction form
126,229.88/174,198.30 = 69,645.08/x - Step 3: Cross multiply
126,229.88x = 174,198.30 × 69,645.08 - Step 4: Simplify right side
126,229.88x = 12,132,054,539.36 - Step 5: Solve for x
x = 12,132,054,539.36/126,229.88 - Step 6: Final answer
x = 96,110.80
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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.