Finding the Fourth Proportional to 118,725.48, 178,087.74 and 48,604.68
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Solution
The fourth proportional to 118,725.48, 178,087.74 and 48,604.68 is: 72,906.82
Step by Step Solution
- Step 1: Write the proportion equation
118,725.48 : 178,087.74 = 48,604.68 : x - Step 2: Convert to fraction form
118,725.48/178,087.74 = 48,604.68/x - Step 3: Cross multiply
118,725.48x = 178,087.74 × 48,604.68 - Step 4: Simplify right side
118,725.48x = 8,655,897,614.62 - Step 5: Solve for x
x = 8,655,897,614.62/118,725.48 - Step 6: Final answer
x = 72,906.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.