Finding the Fourth Proportional to 126,205.44, 174,163.52 and 69,616.96
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Solution
The fourth proportional to 126,205.44, 174,163.52 and 69,616.96 is: 96,071.41
Step by Step Solution
- Step 1: Write the proportion equation
126,205.44 : 174,163.52 = 69,616.96 : x - Step 2: Convert to fraction form
126,205.44/174,163.52 = 69,616.96/x - Step 3: Cross multiply
126,205.44x = 174,163.52 × 69,616.96 - Step 4: Simplify right side
126,205.44x = 12,124,734,805.30 - Step 5: Solve for x
x = 12,124,734,805.30/126,205.44 - Step 6: Final answer
x = 96,071.41
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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.