Finding the Fourth Proportional to 118,876.68, 178,336.89 and 96,882.75
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Solution
The fourth proportional to 118,876.68, 178,336.89 and 96,882.75 is: 145,341.95
Step by Step Solution
- Step 1: Write the proportion equation
118,876.68 : 178,336.89 = 96,882.75 : x - Step 2: Convert to fraction form
118,876.68/178,336.89 = 96,882.75/x - Step 3: Cross multiply
118,876.68x = 178,336.89 × 96,882.75 - Step 4: Simplify right side
118,876.68x = 17,277,768,329.65 - Step 5: Solve for x
x = 17,277,768,329.65/118,876.68 - Step 6: Final answer
x = 145,341.95
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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.