Finding the Fourth Proportional to 166,584.49, 229,892.01 and 91,132.99
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Solution
The fourth proportional to 166,584.49, 229,892.01 and 91,132.99 is: 125,766.49
Step by Step Solution
- Step 1: Write the proportion equation
166,584.49 : 229,892.01 = 91,132.99 : x - Step 2: Convert to fraction form
166,584.49/229,892.01 = 91,132.99/x - Step 3: Cross multiply
166,584.49x = 229,892.01 × 91,132.99 - Step 4: Simplify right side
166,584.49x = 20,950,746,248.41 - Step 5: Solve for x
x = 20,950,746,248.41/166,584.49 - Step 6: Final answer
x = 125,766.49
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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.