Finding the Fourth Proportional to 132,786.53, 199,179.26 and 53,900.09
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Solution
The fourth proportional to 132,786.53, 199,179.26 and 53,900.09 is: 80,849.92
Step by Step Solution
- Step 1: Write the proportion equation
132,786.53 : 199,179.26 = 53,900.09 : x - Step 2: Convert to fraction form
132,786.53/199,179.26 = 53,900.09/x - Step 3: Cross multiply
132,786.53x = 199,179.26 × 53,900.09 - Step 4: Simplify right side
132,786.53x = 10,735,779,770.63 - Step 5: Solve for x
x = 10,735,779,770.63/132,786.53 - Step 6: Final answer
x = 80,849.92
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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.