Finding the Fourth Proportional to 133,105.97, 183,880.55 and 115,169.84
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Solution
The fourth proportional to 133,105.97, 183,880.55 and 115,169.84 is: 159,102.50
Step by Step Solution
- Step 1: Write the proportion equation
133,105.97 : 183,880.55 = 115,169.84 : x - Step 2: Convert to fraction form
133,105.97/183,880.55 = 115,169.84/x - Step 3: Cross multiply
133,105.97x = 183,880.55 × 115,169.84 - Step 4: Simplify right side
133,105.97x = 21,177,492,027.36 - Step 5: Solve for x
x = 21,177,492,027.36/133,105.97 - Step 6: Final answer
x = 159,102.50
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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.