Finding the Fourth Proportional to 147,561.32, 203,614.08 and 83,892.08
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Solution
The fourth proportional to 147,561.32, 203,614.08 and 83,892.08 is: 115,759.39
Step by Step Solution
- Step 1: Write the proportion equation
147,561.32 : 203,614.08 = 83,892.08 : x - Step 2: Convert to fraction form
147,561.32/203,614.08 = 83,892.08/x - Step 3: Cross multiply
147,561.32x = 203,614.08 × 83,892.08 - Step 4: Simplify right side
147,561.32x = 17,081,608,688.49 - Step 5: Solve for x
x = 17,081,608,688.49/147,561.32 - Step 6: Final answer
x = 115,759.39
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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.