Finding the Fourth Proportional to 135,491.01, 203,163.21 and 107,590.56
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Solution
The fourth proportional to 135,491.01, 203,163.21 and 107,590.56 is: 161,327.63
Step by Step Solution
- Step 1: Write the proportion equation
135,491.01 : 203,163.21 = 107,590.56 : x - Step 2: Convert to fraction form
135,491.01/203,163.21 = 107,590.56/x - Step 3: Cross multiply
135,491.01x = 203,163.21 × 107,590.56 - Step 4: Simplify right side
135,491.01x = 21,858,443,535.30 - Step 5: Solve for x
x = 21,858,443,535.30/135,491.01 - Step 6: Final answer
x = 161,327.63
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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.