Finding the Fourth Proportional to 141,197.67, 194,873.18 and 84,614.31
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Solution
The fourth proportional to 141,197.67, 194,873.18 and 84,614.31 is: 116,779.97
Step by Step Solution
- Step 1: Write the proportion equation
141,197.67 : 194,873.18 = 84,614.31 : x - Step 2: Convert to fraction form
141,197.67/194,873.18 = 84,614.31/x - Step 3: Cross multiply
141,197.67x = 194,873.18 × 84,614.31 - Step 4: Simplify right side
141,197.67x = 16,489,059,240.13 - Step 5: Solve for x
x = 16,489,059,240.13/141,197.67 - Step 6: Final answer
x = 116,779.97
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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.