Finding the Fourth Proportional to 125,273.62, 172,884.66 and 74,316.52
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Solution
The fourth proportional to 125,273.62, 172,884.66 and 74,316.52 is: 102,560.99
Step by Step Solution
- Step 1: Write the proportion equation
125,273.62 : 172,884.66 = 74,316.52 : x - Step 2: Convert to fraction form
125,273.62/172,884.66 = 74,316.52/x - Step 3: Cross multiply
125,273.62x = 172,884.66 × 74,316.52 - Step 4: Simplify right side
125,273.62x = 12,848,185,428.16 - Step 5: Solve for x
x = 12,848,185,428.16/125,273.62 - Step 6: Final answer
x = 102,560.99
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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.