Finding the Fourth Proportional to 166,583.49, 229,890.63 and 91,131.99
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Solution
The fourth proportional to 166,583.49, 229,890.63 and 91,131.99 is: 125,765.11
Step by Step Solution
- Step 1: Write the proportion equation
166,583.49 : 229,890.63 = 91,131.99 : x - Step 2: Convert to fraction form
166,583.49/229,890.63 = 91,131.99/x - Step 3: Cross multiply
166,583.49x = 229,890.63 × 91,131.99 - Step 4: Simplify right side
166,583.49x = 20,950,390,594.25 - Step 5: Solve for x
x = 20,950,390,594.25/166,583.49 - Step 6: Final answer
x = 125,765.11
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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.