Finding the Fourth Proportional to 141,751.83, 212,553.93 and 66,851.87
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Solution
The fourth proportional to 141,751.83, 212,553.93 and 66,851.87 is: 100,242.99
Step by Step Solution
- Step 1: Write the proportion equation
141,751.83 : 212,553.93 = 66,851.87 : x - Step 2: Convert to fraction form
141,751.83/212,553.93 = 66,851.87/x - Step 3: Cross multiply
141,751.83x = 212,553.93 × 66,851.87 - Step 4: Simplify right side
141,751.83x = 14,209,627,179.96 - Step 5: Solve for x
x = 14,209,627,179.96/141,751.83 - Step 6: Final answer
x = 100,242.99
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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.