Finding the Fourth Proportional to 141,176.94, 194,827.32 and 77,514.99
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Solution
The fourth proportional to 141,176.94, 194,827.32 and 77,514.99 is: 106,972.41
Step by Step Solution
- Step 1: Write the proportion equation
141,176.94 : 194,827.32 = 77,514.99 : x - Step 2: Convert to fraction form
141,176.94/194,827.32 = 77,514.99/x - Step 3: Cross multiply
141,176.94x = 194,827.32 × 77,514.99 - Step 4: Simplify right side
141,176.94x = 15,102,037,761.53 - Step 5: Solve for x
x = 15,102,037,761.53/141,176.94 - Step 6: Final answer
x = 106,972.41
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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.