Finding the Fourth Proportional to 106,591.36, 159,871.04 and 67,027.84
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Solution
The fourth proportional to 106,591.36, 159,871.04 and 67,027.84 is: 100,531.70
Step by Step Solution
- Step 1: Write the proportion equation
106,591.36 : 159,871.04 = 67,027.84 : x - Step 2: Convert to fraction form
106,591.36/159,871.04 = 67,027.84/x - Step 3: Cross multiply
106,591.36x = 159,871.04 × 67,027.84 - Step 4: Simplify right side
106,591.36x = 10,715,810,489.75 - Step 5: Solve for x
x = 10,715,810,489.75/106,591.36 - Step 6: Final answer
x = 100,531.70
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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.