Finding the Fourth Proportional to 166,694.92, 249,930.96 and 91,850.92
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Solution
The fourth proportional to 166,694.92, 249,930.96 and 91,850.92 is: 137,714.99
Step by Step Solution
- Step 1: Write the proportion equation
166,694.92 : 249,930.96 = 91,850.92 : x - Step 2: Convert to fraction form
166,694.92/249,930.96 = 91,850.92/x - Step 3: Cross multiply
166,694.92x = 249,930.96 × 91,850.92 - Step 4: Simplify right side
166,694.92x = 22,956,388,612.48 - Step 5: Solve for x
x = 22,956,388,612.48/166,694.92 - Step 6: Final answer
x = 137,714.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.