Finding the Fourth Proportional to 104,144.14, 143,718.99 and 56,397.54
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Solution
The fourth proportional to 104,144.14, 143,718.99 and 56,397.54 is: 77,828.65
Step by Step Solution
- Step 1: Write the proportion equation
104,144.14 : 143,718.99 = 56,397.54 : x - Step 2: Convert to fraction form
104,144.14/143,718.99 = 56,397.54/x - Step 3: Cross multiply
104,144.14x = 143,718.99 × 56,397.54 - Step 4: Simplify right side
104,144.14x = 8,105,397,487.28 - Step 5: Solve for x
x = 8,105,397,487.28/104,144.14 - Step 6: Final answer
x = 77,828.65
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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.