Finding the Fourth Proportional to 168,163.26, 231,933.99 and 107,739.48
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Solution
The fourth proportional to 168,163.26, 231,933.99 and 107,739.48 is: 148,596.35
Step by Step Solution
- Step 1: Write the proportion equation
168,163.26 : 231,933.99 = 107,739.48 : x - Step 2: Convert to fraction form
168,163.26/231,933.99 = 107,739.48/x - Step 3: Cross multiply
168,163.26x = 231,933.99 × 107,739.48 - Step 4: Simplify right side
168,163.26x = 24,988,447,476.93 - Step 5: Solve for x
x = 24,988,447,476.93/168,163.26 - Step 6: Final answer
x = 148,596.35
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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.