Finding the Fourth Proportional to 163,107.26, 225,088.02 and 91,485.71
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Solution
The fourth proportional to 163,107.26, 225,088.02 and 91,485.71 is: 126,250.28
Step by Step Solution
- Step 1: Write the proportion equation
163,107.26 : 225,088.02 = 91,485.71 : x - Step 2: Convert to fraction form
163,107.26/225,088.02 = 91,485.71/x - Step 3: Cross multiply
163,107.26x = 225,088.02 × 91,485.71 - Step 4: Simplify right side
163,107.26x = 20,592,336,196.75 - Step 5: Solve for x
x = 20,592,336,196.75/163,107.26 - Step 6: Final answer
x = 126,250.28
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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.