Finding the Fourth Proportional to 111,378.09, 167,097.99 and 51,424.88
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Solution
The fourth proportional to 111,378.09, 167,097.99 and 51,424.88 is: 77,151.56
Step by Step Solution
- Step 1: Write the proportion equation
111,378.09 : 167,097.99 = 51,424.88 : x - Step 2: Convert to fraction form
111,378.09/167,097.99 = 51,424.88/x - Step 3: Cross multiply
111,378.09x = 167,097.99 × 51,424.88 - Step 4: Simplify right side
111,378.09x = 8,592,993,152.08 - Step 5: Solve for x
x = 8,592,993,152.08/111,378.09 - Step 6: Final answer
x = 77,151.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.