Finding the Fourth Proportional to 163,251.97, 225,275.36 and 91,618.15
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Solution
The fourth proportional to 163,251.97, 225,275.36 and 91,618.15 is: 126,426.11
Step by Step Solution
- Step 1: Write the proportion equation
163,251.97 : 225,275.36 = 91,618.15 : x - Step 2: Convert to fraction form
163,251.97/225,275.36 = 91,618.15/x - Step 3: Cross multiply
163,251.97x = 225,275.36 × 91,618.15 - Step 4: Simplify right side
163,251.97x = 20,639,310,597.41 - Step 5: Solve for x
x = 20,639,310,597.41/163,251.97 - Step 6: Final answer
x = 126,426.11
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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.