Finding the Fourth Proportional to 133,033.57, 183,786.26 and 87,202.00
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Solution
The fourth proportional to 133,033.57, 183,786.26 and 87,202.00 is: 120,469.81
Step by Step Solution
- Step 1: Write the proportion equation
133,033.57 : 183,786.26 = 87,202.00 : x - Step 2: Convert to fraction form
133,033.57/183,786.26 = 87,202.00/x - Step 3: Cross multiply
133,033.57x = 183,786.26 × 87,202.00 - Step 4: Simplify right side
133,033.57x = 16,026,529,728.75 - Step 5: Solve for x
x = 16,026,529,728.75/133,033.57 - Step 6: Final answer
x = 120,469.81
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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.