Finding the Fourth Proportional to 163,543.19, 225,696 and 91,922.99
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Solution
The fourth proportional to 163,543.19, 225,696 and 91,922.99 is: 126,857.32
Step by Step Solution
- Step 1: Write the proportion equation
163,543.19 : 225,696 = 91,922.99 : x - Step 2: Convert to fraction form
163,543.19/225,696 = 91,922.99/x - Step 3: Cross multiply
163,543.19x = 225,696 × 91,922.99 - Step 4: Simplify right side
163,543.19x = 20,746,651,151.04 - Step 5: Solve for x
x = 20,746,651,151.04/163,543.19 - Step 6: Final answer
x = 126,857.32
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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.