Finding the Fourth Proportional to 129,971.36, 194,964.16 and 41,218.44
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Solution
The fourth proportional to 129,971.36, 194,964.16 and 41,218.44 is: 61,829.92
Step by Step Solution
- Step 1: Write the proportion equation
129,971.36 : 194,964.16 = 41,218.44 : x - Step 2: Convert to fraction form
129,971.36/194,964.16 = 41,218.44/x - Step 3: Cross multiply
129,971.36x = 194,964.16 × 41,218.44 - Step 4: Simplify right side
129,971.36x = 8,036,118,531.11 - Step 5: Solve for x
x = 8,036,118,531.11/129,971.36 - Step 6: Final answer
x = 61,829.92
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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.