Finding the Fourth Proportional to 115,192.24, 158,964.60 and 64,907.44
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Solution
The fourth proportional to 115,192.24, 158,964.60 and 64,907.44 is: 89,571.88
Step by Step Solution
- Step 1: Write the proportion equation
115,192.24 : 158,964.60 = 64,907.44 : x - Step 2: Convert to fraction form
115,192.24/158,964.60 = 64,907.44/x - Step 3: Cross multiply
115,192.24x = 158,964.60 × 64,907.44 - Step 4: Simplify right side
115,192.24x = 10,317,985,236.62 - Step 5: Solve for x
x = 10,317,985,236.62/115,192.24 - Step 6: Final answer
x = 89,571.88
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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.