Finding the Fourth Proportional to 115,270.26, 159,103.09 and 75,094.26
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Solution
The fourth proportional to 115,270.26, 159,103.09 and 75,094.26 is: 103,649.71
Step by Step Solution
- Step 1: Write the proportion equation
115,270.26 : 159,103.09 = 75,094.26 : x - Step 2: Convert to fraction form
115,270.26/159,103.09 = 75,094.26/x - Step 3: Cross multiply
115,270.26x = 159,103.09 × 75,094.26 - Step 4: Simplify right side
115,270.26x = 11,947,728,807.26 - Step 5: Solve for x
x = 11,947,728,807.26/115,270.26 - Step 6: Final answer
x = 103,649.71
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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.