Finding the Fourth Proportional to 135,075.87, 202,735.91 and 71,948.72
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Solution
The fourth proportional to 135,075.87, 202,735.91 and 71,948.72 is: 107,988.12
Step by Step Solution
- Step 1: Write the proportion equation
135,075.87 : 202,735.91 = 71,948.72 : x - Step 2: Convert to fraction form
135,075.87/202,735.91 = 71,948.72/x - Step 3: Cross multiply
135,075.87x = 202,735.91 × 71,948.72 - Step 4: Simplify right side
135,075.87x = 14,586,589,909.25 - Step 5: Solve for x
x = 14,586,589,909.25/135,075.87 - Step 6: Final answer
x = 107,988.12
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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.