Finding the Fourth Proportional to 107,507.92, 161,240.82 and 102,173.68
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Solution
The fourth proportional to 107,507.92, 161,240.82 and 102,173.68 is: 153,240.50
Step by Step Solution
- Step 1: Write the proportion equation
107,507.92 : 161,240.82 = 102,173.68 : x - Step 2: Convert to fraction form
107,507.92/161,240.82 = 102,173.68/x - Step 3: Cross multiply
107,507.92x = 161,240.82 × 102,173.68 - Step 4: Simplify right side
107,507.92x = 16,474,567,945.62 - Step 5: Solve for x
x = 16,474,567,945.62/107,507.92 - Step 6: Final answer
x = 153,240.50
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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.