Finding the Fourth Proportional to 114,531.46, 171,838.11 and 69,644.14
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Solution
The fourth proportional to 114,531.46, 171,838.11 and 69,644.14 is: 104,491.09
Step by Step Solution
- Step 1: Write the proportion equation
114,531.46 : 171,838.11 = 69,644.14 : x - Step 2: Convert to fraction form
114,531.46/171,838.11 = 69,644.14/x - Step 3: Cross multiply
114,531.46x = 171,838.11 × 69,644.14 - Step 4: Simplify right side
114,531.46x = 11,967,517,390.18 - Step 5: Solve for x
x = 11,967,517,390.18/114,531.46 - Step 6: Final answer
x = 104,491.09
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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.