Finding the Fourth Proportional to 167,674.11, 231,391.23 and 91,194.09
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Solution
The fourth proportional to 167,674.11, 231,391.23 and 91,194.09 is: 125,848.37
Step by Step Solution
- Step 1: Write the proportion equation
167,674.11 : 231,391.23 = 91,194.09 : x - Step 2: Convert to fraction form
167,674.11/231,391.23 = 91,194.09/x - Step 3: Cross multiply
167,674.11x = 231,391.23 × 91,194.09 - Step 4: Simplify right side
167,674.11x = 21,101,512,653.83 - Step 5: Solve for x
x = 21,101,512,653.83/167,674.11 - Step 6: Final answer
x = 125,848.37
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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.