Finding the Fourth Proportional to 168,192.62, 232,107.64 and 91,711.10
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Solution
The fourth proportional to 168,192.62, 232,107.64 and 91,711.10 is: 126,562.31
Step by Step Solution
- Step 1: Write the proportion equation
168,192.62 : 232,107.64 = 91,711.10 : x - Step 2: Convert to fraction form
168,192.62/232,107.64 = 91,711.10/x - Step 3: Cross multiply
168,192.62x = 232,107.64 × 91,711.10 - Step 4: Simplify right side
168,192.62x = 21,286,846,982.80 - Step 5: Solve for x
x = 21,286,846,982.80/168,192.62 - Step 6: Final answer
x = 126,562.31
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1.5x scale
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.