Finding the Fourth Proportional to 141,850.87, 212,148.91 and 126,165.98
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Solution
The fourth proportional to 141,850.87, 212,148.91 and 126,165.98 is: 188,690.95
Step by Step Solution
- Step 1: Write the proportion equation
141,850.87 : 212,148.91 = 126,165.98 : x - Step 2: Convert to fraction form
141,850.87/212,148.91 = 126,165.98/x - Step 3: Cross multiply
141,850.87x = 212,148.91 × 126,165.98 - Step 4: Simplify right side
141,850.87x = 26,765,975,050.07 - Step 5: Solve for x
x = 26,765,975,050.07/141,850.87 - Step 6: Final answer
x = 188,690.95
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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.