Finding the Fourth Proportional to 111,348.36, 167,022.54 and 91,566.99
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Solution
The fourth proportional to 111,348.36, 167,022.54 and 91,566.99 is: 137,350.49
Step by Step Solution
- Step 1: Write the proportion equation
111,348.36 : 167,022.54 = 91,566.99 : x - Step 2: Convert to fraction form
111,348.36/167,022.54 = 91,566.99/x - Step 3: Cross multiply
111,348.36x = 167,022.54 × 91,566.99 - Step 4: Simplify right side
111,348.36x = 15,293,751,249.95 - Step 5: Solve for x
x = 15,293,751,249.95/111,348.36 - Step 6: Final answer
x = 137,350.49
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1.5x scale
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.