Finding the Fourth Proportional to 119,145.44, 164,428.08 and 66,153.44
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Solution
The fourth proportional to 119,145.44, 164,428.08 and 66,153.44 is: 91,295.84
Step by Step Solution
- Step 1: Write the proportion equation
119,145.44 : 164,428.08 = 66,153.44 : x - Step 2: Convert to fraction form
119,145.44/164,428.08 = 66,153.44/x - Step 3: Cross multiply
119,145.44x = 164,428.08 × 66,153.44 - Step 4: Simplify right side
119,145.44x = 10,877,483,124.60 - Step 5: Solve for x
x = 10,877,483,124.60/119,145.44 - Step 6: Final answer
x = 91,295.84
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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.