Finding the Fourth Proportional to 127,803.83, 176,365.35 and 80,083.49
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Solution
The fourth proportional to 127,803.83, 176,365.35 and 80,083.49 is: 110,512.75
Step by Step Solution
- Step 1: Write the proportion equation
127,803.83 : 176,365.35 = 80,083.49 : x - Step 2: Convert to fraction form
127,803.83/176,365.35 = 80,083.49/x - Step 3: Cross multiply
127,803.83x = 176,365.35 × 80,083.49 - Step 4: Simplify right side
127,803.83x = 14,123,951,861.24 - Step 5: Solve for x
x = 14,123,951,861.24/127,803.83 - Step 6: Final answer
x = 110,512.75
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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.