Finding the Fourth Proportional to 118,133.87, 176,447.79 and 106,871.96
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Solution
The fourth proportional to 118,133.87, 176,447.79 and 106,871.96 is: 159,626.72
Step by Step Solution
- Step 1: Write the proportion equation
118,133.87 : 176,447.79 = 106,871.96 : x - Step 2: Convert to fraction form
118,133.87/176,447.79 = 106,871.96/x - Step 3: Cross multiply
118,133.87x = 176,447.79 × 106,871.96 - Step 4: Simplify right side
118,133.87x = 18,857,321,596.09 - Step 5: Solve for x
x = 18,857,321,596.09/118,133.87 - Step 6: Final answer
x = 159,626.72
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.