Finding the Fourth Proportional to 107,082.09, 160,506.99 and 69,668.79
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Solution
The fourth proportional to 107,082.09, 160,506.99 and 69,668.79 is: 104,427.62
Step by Step Solution
- Step 1: Write the proportion equation
107,082.09 : 160,506.99 = 69,668.79 : x - Step 2: Convert to fraction form
107,082.09/160,506.99 = 69,668.79/x - Step 3: Cross multiply
107,082.09x = 160,506.99 × 69,668.79 - Step 4: Simplify right side
107,082.09x = 11,182,327,779.84 - Step 5: Solve for x
x = 11,182,327,779.84/107,082.09 - Step 6: Final answer
x = 104,427.62
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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.