Finding the Fourth Proportional to 115,354.28, 159,174.66 and 67,596.68
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Solution
The fourth proportional to 115,354.28, 159,174.66 and 67,596.68 is: 93,275.07
Step by Step Solution
- Step 1: Write the proportion equation
115,354.28 : 159,174.66 = 67,596.68 : x - Step 2: Convert to fraction form
115,354.28/159,174.66 = 67,596.68/x - Step 3: Cross multiply
115,354.28x = 159,174.66 × 67,596.68 - Step 4: Simplify right side
115,354.28x = 10,759,678,556.13 - Step 5: Solve for x
x = 10,759,678,556.13/115,354.28 - Step 6: Final answer
x = 93,275.07
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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.