Finding the Fourth Proportional to 95,576.40, 143,191.80 and 84,517.20
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Solution
The fourth proportional to 95,576.40, 143,191.80 and 84,517.20 is: 126,622.99
Step by Step Solution
- Step 1: Write the proportion equation
95,576.40 : 143,191.80 = 84,517.20 : x - Step 2: Convert to fraction form
95,576.40/143,191.80 = 84,517.20/x - Step 3: Cross multiply
95,576.40x = 143,191.80 × 84,517.20 - Step 4: Simplify right side
95,576.40x = 12,102,169,998.96 - Step 5: Solve for x
x = 12,102,169,998.96/95,576.40 - Step 6: Final answer
x = 126,622.99
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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.