Finding the Fourth Proportional to 133,102.94, 199,599.33 and 54,163.58
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Solution
The fourth proportional to 133,102.94, 199,599.33 and 54,163.58 is: 81,222.96
Step by Step Solution
- Step 1: Write the proportion equation
133,102.94 : 199,599.33 = 54,163.58 : x - Step 2: Convert to fraction form
133,102.94/199,599.33 = 54,163.58/x - Step 3: Cross multiply
133,102.94x = 199,599.33 × 54,163.58 - Step 4: Simplify right side
133,102.94x = 10,811,014,278.40 - Step 5: Solve for x
x = 10,811,014,278.40/133,102.94 - Step 6: Final answer
x = 81,222.96
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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.