Finding the Fourth Proportional to 161,799.08, 223,273.12 and 92,872.62
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Solution
The fourth proportional to 161,799.08, 223,273.12 and 92,872.62 is: 128,158.69
Step by Step Solution
- Step 1: Write the proportion equation
161,799.08 : 223,273.12 = 92,872.62 : x - Step 2: Convert to fraction form
161,799.08/223,273.12 = 92,872.62/x - Step 3: Cross multiply
161,799.08x = 223,273.12 × 92,872.62 - Step 4: Simplify right side
161,799.08x = 20,735,958,281.43 - Step 5: Solve for x
x = 20,735,958,281.43/161,799.08 - Step 6: Final answer
x = 128,158.69
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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.