Finding the Fourth Proportional to 104,976.25, 144,872.99 and 60,267.13
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Solution
The fourth proportional to 104,976.25, 144,872.99 and 60,267.13 is: 83,171.95
Step by Step Solution
- Step 1: Write the proportion equation
104,976.25 : 144,872.99 = 60,267.13 : x - Step 2: Convert to fraction form
104,976.25/144,872.99 = 60,267.13/x - Step 3: Cross multiply
104,976.25x = 144,872.99 × 60,267.13 - Step 4: Simplify right side
104,976.25x = 8,731,079,020.48 - Step 5: Solve for x
x = 8,731,079,020.48/104,976.25 - Step 6: Final answer
x = 83,171.95
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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.