Finding the Fourth Proportional to 141,823.62, 195,716.58 and 85,234.99
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Solution
The fourth proportional to 141,823.62, 195,716.58 and 85,234.99 is: 117,624.28
Step by Step Solution
- Step 1: Write the proportion equation
141,823.62 : 195,716.58 = 85,234.99 : x - Step 2: Convert to fraction form
141,823.62/195,716.58 = 85,234.99/x - Step 3: Cross multiply
141,823.62x = 195,716.58 × 85,234.99 - Step 4: Simplify right side
141,823.62x = 16,681,900,739.13 - Step 5: Solve for x
x = 16,681,900,739.13/141,823.62 - Step 6: Final answer
x = 117,624.28
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1.5x scale
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.