Finding the Fourth Proportional to 102,769.68, 154,157.64 and 27,889.56
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Solution
The fourth proportional to 102,769.68, 154,157.64 and 27,889.56 is: 41,835.19
Step by Step Solution
- Step 1: Write the proportion equation
102,769.68 : 154,157.64 = 27,889.56 : x - Step 2: Convert to fraction form
102,769.68/154,157.64 = 27,889.56/x - Step 3: Cross multiply
102,769.68x = 154,157.64 × 27,889.56 - Step 4: Simplify right side
102,769.68x = 4,299,388,750.24 - Step 5: Solve for x
x = 4,299,388,750.24/102,769.68 - Step 6: Final answer
x = 41,835.19
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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.