Finding the Fourth Proportional to 126,087.99, 173,989.67 and 69,498.96
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Solution
The fourth proportional to 126,087.99, 173,989.67 and 69,498.96 is: 95,902.08
Step by Step Solution
- Step 1: Write the proportion equation
126,087.99 : 173,989.67 = 69,498.96 : x - Step 2: Convert to fraction form
126,087.99/173,989.67 = 69,498.96/x - Step 3: Cross multiply
126,087.99x = 173,989.67 × 69,498.96 - Step 4: Simplify right side
126,087.99x = 12,092,100,768.25 - Step 5: Solve for x
x = 12,092,100,768.25/126,087.99 - Step 6: Final answer
x = 95,902.08
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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.