Finding the Fourth Proportional to 141,135.24, 194,734.50 and 83,744.94
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Solution
The fourth proportional to 141,135.24, 194,734.50 and 83,744.94 is: 115,548.95
Step by Step Solution
- Step 1: Write the proportion equation
141,135.24 : 194,734.50 = 83,744.94 : x - Step 2: Convert to fraction form
141,135.24/194,734.50 = 83,744.94/x - Step 3: Cross multiply
141,135.24x = 194,734.50 × 83,744.94 - Step 4: Simplify right side
141,135.24x = 16,308,029,018.43 - Step 5: Solve for x
x = 16,308,029,018.43/141,135.24 - Step 6: Final answer
x = 115,548.95
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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.