Finding the Fourth Proportional to 126,064.93, 173,965.19 and 68,703.09
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Solution
The fourth proportional to 126,064.93, 173,965.19 and 68,703.09 is: 94,807.86
Step by Step Solution
- Step 1: Write the proportion equation
126,064.93 : 173,965.19 = 68,703.09 : x - Step 2: Convert to fraction form
126,064.93/173,965.19 = 68,703.09/x - Step 3: Cross multiply
126,064.93x = 173,965.19 × 68,703.09 - Step 4: Simplify right side
126,064.93x = 11,951,946,105.44 - Step 5: Solve for x
x = 11,951,946,105.44/126,064.93 - Step 6: Final answer
x = 94,807.86
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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.