Finding the Fourth Proportional to 114,845.21, 158,491.68 and 63,863.10
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Solution
The fourth proportional to 114,845.21, 158,491.68 and 63,863.10 is: 88,134.02
Step by Step Solution
- Step 1: Write the proportion equation
114,845.21 : 158,491.68 = 63,863.10 : x - Step 2: Convert to fraction form
114,845.21/158,491.68 = 63,863.10/x - Step 3: Cross multiply
114,845.21x = 158,491.68 × 63,863.10 - Step 4: Simplify right side
114,845.21x = 10,121,770,009.01 - Step 5: Solve for x
x = 10,121,770,009.01/114,845.21 - Step 6: Final answer
x = 88,134.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.