Finding the Fourth Proportional to 115,161.25, 158,927.46 and 64,174.05
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Solution
The fourth proportional to 115,161.25, 158,927.46 and 64,174.05 is: 88,562.94
Step by Step Solution
- Step 1: Write the proportion equation
115,161.25 : 158,927.46 = 64,174.05 : x - Step 2: Convert to fraction form
115,161.25/158,927.46 = 64,174.05/x - Step 3: Cross multiply
115,161.25x = 158,927.46 × 64,174.05 - Step 4: Simplify right side
115,161.25x = 10,199,018,764.41 - Step 5: Solve for x
x = 10,199,018,764.41/115,161.25 - Step 6: Final answer
x = 88,562.94
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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.