Finding the Fourth Proportional to 135,763.41, 203,380.21 and 88,874.13
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Solution
The fourth proportional to 135,763.41, 203,380.21 and 88,874.13 is: 133,137.78
Step by Step Solution
- Step 1: Write the proportion equation
135,763.41 : 203,380.21 = 88,874.13 : x - Step 2: Convert to fraction form
135,763.41/203,380.21 = 88,874.13/x - Step 3: Cross multiply
135,763.41x = 203,380.21 × 88,874.13 - Step 4: Simplify right side
135,763.41x = 18,075,239,222.97 - Step 5: Solve for x
x = 18,075,239,222.97/135,763.41 - Step 6: Final answer
x = 133,137.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.