Finding the Fourth Proportional to 135,977.94, 203,950.71 and 36,145.44
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Solution
The fourth proportional to 135,977.94, 203,950.71 and 36,145.44 is: 54,213.85
Step by Step Solution
- Step 1: Write the proportion equation
135,977.94 : 203,950.71 = 36,145.44 : x - Step 2: Convert to fraction form
135,977.94/203,950.71 = 36,145.44/x - Step 3: Cross multiply
135,977.94x = 203,950.71 × 36,145.44 - Step 4: Simplify right side
135,977.94x = 7,371,888,151.26 - Step 5: Solve for x
x = 7,371,888,151.26/135,977.94 - Step 6: Final answer
x = 54,213.85
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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.