Finding the Fourth Proportional to 129,181.88, 193,773.62 and 35,688.44
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Solution
The fourth proportional to 129,181.88, 193,773.62 and 35,688.44 is: 53,532.88
Step by Step Solution
- Step 1: Write the proportion equation
129,181.88 : 193,773.62 = 35,688.44 : x - Step 2: Convert to fraction form
129,181.88/193,773.62 = 35,688.44/x - Step 3: Cross multiply
129,181.88x = 193,773.62 × 35,688.44 - Step 4: Simplify right side
129,181.88x = 6,915,477,331.31 - Step 5: Solve for x
x = 6,915,477,331.31/129,181.88 - Step 6: Final answer
x = 53,532.88
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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.