Finding the Fourth Proportional to 94,118.98, 141,178.66 and 66,163.96
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Solution
The fourth proportional to 94,118.98, 141,178.66 and 66,163.96 is: 99,246.07
Step by Step Solution
- Step 1: Write the proportion equation
94,118.98 : 141,178.66 = 66,163.96 : x - Step 2: Convert to fraction form
94,118.98/141,178.66 = 66,163.96/x - Step 3: Cross multiply
94,118.98x = 141,178.66 × 66,163.96 - Step 4: Simplify right side
94,118.98x = 9,340,939,213.09 - Step 5: Solve for x
x = 9,340,939,213.09/94,118.98 - Step 6: Final answer
x = 99,246.07
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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.