Finding the Fourth Proportional to 107,299.68, 148,100.82 and 73,321.92
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Solution
The fourth proportional to 107,299.68, 148,100.82 and 73,321.92 is: 101,202.88
Step by Step Solution
- Step 1: Write the proportion equation
107,299.68 : 148,100.82 = 73,321.92 : x - Step 2: Convert to fraction form
107,299.68/148,100.82 = 73,321.92/x - Step 3: Cross multiply
107,299.68x = 148,100.82 × 73,321.92 - Step 4: Simplify right side
107,299.68x = 10,859,036,475.97 - Step 5: Solve for x
x = 10,859,036,475.97/107,299.68 - Step 6: Final answer
x = 101,202.88
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1.5x scale
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.