Finding the Fourth Proportional to 161,181.12, 222,416.93 and 93,202.50
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Solution
The fourth proportional to 161,181.12, 222,416.93 and 93,202.50 is: 128,611.92
Step by Step Solution
- Step 1: Write the proportion equation
161,181.12 : 222,416.93 = 93,202.50 : x - Step 2: Convert to fraction form
161,181.12/222,416.93 = 93,202.50/x - Step 3: Cross multiply
161,181.12x = 222,416.93 × 93,202.50 - Step 4: Simplify right side
161,181.12x = 20,729,813,452.31 - Step 5: Solve for x
x = 20,729,813,452.31/161,181.12 - Step 6: Final answer
x = 128,611.92
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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.