Finding the Fourth Proportional to 116,576.99, 160,882.15 and 68,829.31
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Solution
The fourth proportional to 116,576.99, 160,882.15 and 68,829.31 is: 94,987.94
Step by Step Solution
- Step 1: Write the proportion equation
116,576.99 : 160,882.15 = 68,829.31 : x - Step 2: Convert to fraction form
116,576.99/160,882.15 = 68,829.31/x - Step 3: Cross multiply
116,576.99x = 160,882.15 × 68,829.31 - Step 4: Simplify right side
116,576.99x = 11,073,407,533.90 - Step 5: Solve for x
x = 11,073,407,533.90/116,576.99 - Step 6: Final answer
x = 94,987.94
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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.