Finding the Fourth Proportional to 99,658.68, 149,182.74 and 64,528.44
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Solution
The fourth proportional to 99,658.68, 149,182.74 and 64,528.44 is: 96,594.99
Step by Step Solution
- Step 1: Write the proportion equation
99,658.68 : 149,182.74 = 64,528.44 : x - Step 2: Convert to fraction form
99,658.68/149,182.74 = 64,528.44/x - Step 3: Cross multiply
99,658.68x = 149,182.74 × 64,528.44 - Step 4: Simplify right side
99,658.68x = 9,626,529,487.13 - Step 5: Solve for x
x = 9,626,529,487.13/99,658.68 - Step 6: Final answer
x = 96,594.99
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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.