Finding the Fourth Proportional to 148,107.22, 204,387.11 and 80,123.99
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Solution
The fourth proportional to 148,107.22, 204,387.11 and 80,123.99 is: 110,570.65
Step by Step Solution
- Step 1: Write the proportion equation
148,107.22 : 204,387.11 = 80,123.99 : x - Step 2: Convert to fraction form
148,107.22/204,387.11 = 80,123.99/x - Step 3: Cross multiply
148,107.22x = 204,387.11 × 80,123.99 - Step 4: Simplify right side
148,107.22x = 16,376,311,236.05 - Step 5: Solve for x
x = 16,376,311,236.05/148,107.22 - Step 6: Final answer
x = 110,570.65
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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.