Finding the Fourth Proportional to 147,854.63, 204,039.39 and 80,786.63
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Solution
The fourth proportional to 147,854.63, 204,039.39 and 80,786.63 is: 111,485.55
Step by Step Solution
- Step 1: Write the proportion equation
147,854.63 : 204,039.39 = 80,786.63 : x - Step 2: Convert to fraction form
147,854.63/204,039.39 = 80,786.63/x - Step 3: Cross multiply
147,854.63x = 204,039.39 × 80,786.63 - Step 4: Simplify right side
147,854.63x = 16,483,654,705.36 - Step 5: Solve for x
x = 16,483,654,705.36/147,854.63 - Step 6: Final answer
x = 111,485.55
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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.