Finding the Fourth Proportional to 163,570.23, 225,720.99 and 91,956.92
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Solution
The fourth proportional to 163,570.23, 225,720.99 and 91,956.92 is: 126,897.21
Step by Step Solution
- Step 1: Write the proportion equation
163,570.23 : 225,720.99 = 91,956.92 : x - Step 2: Convert to fraction form
163,570.23/225,720.99 = 91,956.92/x - Step 3: Cross multiply
163,570.23x = 225,720.99 × 91,956.92 - Step 4: Simplify right side
163,570.23x = 20,756,605,891.15 - Step 5: Solve for x
x = 20,756,605,891.15/163,570.23 - Step 6: Final answer
x = 126,897.21
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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.