Finding the Fourth Proportional to 148,107.84, 204,388.60 and 80,124.68
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Solution
The fourth proportional to 148,107.84, 204,388.60 and 80,124.68 is: 110,571.94
Step by Step Solution
- Step 1: Write the proportion equation
148,107.84 : 204,388.60 = 80,124.68 : x - Step 2: Convert to fraction form
148,107.84/204,388.60 = 80,124.68/x - Step 3: Cross multiply
148,107.84x = 204,388.60 × 80,124.68 - Step 4: Simplify right side
148,107.84x = 16,376,571,170.65 - Step 5: Solve for x
x = 16,376,571,170.65/148,107.84 - Step 6: Final answer
x = 110,571.94
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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.