Finding the Fourth Proportional to 117,163.58, 161,685.49 and 63,448.43
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Solution
The fourth proportional to 117,163.58, 161,685.49 and 63,448.43 is: 87,558.70
Step by Step Solution
- Step 1: Write the proportion equation
117,163.58 : 161,685.49 = 63,448.43 : x - Step 2: Convert to fraction form
117,163.58/161,685.49 = 63,448.43/x - Step 3: Cross multiply
117,163.58x = 161,685.49 × 63,448.43 - Step 4: Simplify right side
117,163.58x = 10,258,689,949.36 - Step 5: Solve for x
x = 10,258,689,949.36/117,163.58 - Step 6: Final answer
x = 87,558.70
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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.