Finding the Fourth Proportional to 132,383.44, 182,715.72 and 78,658.12
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Solution
The fourth proportional to 132,383.44, 182,715.72 and 78,658.12 is: 108,563.99
Step by Step Solution
- Step 1: Write the proportion equation
132,383.44 : 182,715.72 = 78,658.12 : x - Step 2: Convert to fraction form
132,383.44/182,715.72 = 78,658.12/x - Step 3: Cross multiply
132,383.44x = 182,715.72 × 78,658.12 - Step 4: Simplify right side
132,383.44x = 14,372,075,029.65 - Step 5: Solve for x
x = 14,372,075,029.65/132,383.44 - Step 6: Final answer
x = 108,563.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.