Finding the Fourth Proportional to 134,882.70, 202,324.05 and 72,674.70
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Solution
The fourth proportional to 134,882.70, 202,324.05 and 72,674.70 is: 109,012.05
Step by Step Solution
- Step 1: Write the proportion equation
134,882.70 : 202,324.05 = 72,674.70 : x - Step 2: Convert to fraction form
134,882.70/202,324.05 = 72,674.70/x - Step 3: Cross multiply
134,882.70x = 202,324.05 × 72,674.70 - Step 4: Simplify right side
134,882.70x = 14,703,839,636.54 - Step 5: Solve for x
x = 14,703,839,636.54/134,882.70 - Step 6: Final answer
x = 109,012.05
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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.