Finding the Fourth Proportional to 118,232.44, 163,161.18 and 64,518.64
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Solution
The fourth proportional to 118,232.44, 163,161.18 and 64,518.64 is: 89,035.95
Step by Step Solution
- Step 1: Write the proportion equation
118,232.44 : 163,161.18 = 64,518.64 : x - Step 2: Convert to fraction form
118,232.44/163,161.18 = 64,518.64/x - Step 3: Cross multiply
118,232.44x = 163,161.18 × 64,518.64 - Step 4: Simplify right side
118,232.44x = 10,526,937,434.40 - Step 5: Solve for x
x = 10,526,937,434.40/118,232.44 - Step 6: Final answer
x = 89,035.95
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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.