Finding the Fourth Proportional to 107,526.40, 160,905.60 and 68,102.40
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Solution
The fourth proportional to 107,526.40, 160,905.60 and 68,102.40 is: 101,910.39
Step by Step Solution
- Step 1: Write the proportion equation
107,526.40 : 160,905.60 = 68,102.40 : x - Step 2: Convert to fraction form
107,526.40/160,905.60 = 68,102.40/x - Step 3: Cross multiply
107,526.40x = 160,905.60 × 68,102.40 - Step 4: Simplify right side
107,526.40x = 10,958,057,533.44 - Step 5: Solve for x
x = 10,958,057,533.44/107,526.40 - Step 6: Final answer
x = 101,910.39
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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.