Finding the Fourth Proportional to 147,634.94, 203,769.42 and 96,618.08
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Solution
The fourth proportional to 147,634.94, 203,769.42 and 96,618.08 is: 133,354.68
Step by Step Solution
- Step 1: Write the proportion equation
147,634.94 : 203,769.42 = 96,618.08 : x - Step 2: Convert to fraction form
147,634.94/203,769.42 = 96,618.08/x - Step 3: Cross multiply
147,634.94x = 203,769.42 × 96,618.08 - Step 4: Simplify right side
147,634.94x = 19,687,810,123.11 - Step 5: Solve for x
x = 19,687,810,123.11/147,634.94 - Step 6: Final answer
x = 133,354.68
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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.