Finding the Fourth Proportional to 107,364.88, 160,984.41 and 71,866.63
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Solution
The fourth proportional to 107,364.88, 160,984.41 and 71,866.63 is: 107,757.84
Step by Step Solution
- Step 1: Write the proportion equation
107,364.88 : 160,984.41 = 71,866.63 : x - Step 2: Convert to fraction form
107,364.88/160,984.41 = 71,866.63/x - Step 3: Cross multiply
107,364.88x = 160,984.41 × 71,866.63 - Step 4: Simplify right side
107,364.88x = 11,569,407,029.24 - Step 5: Solve for x
x = 11,569,407,029.24/107,364.88 - Step 6: Final answer
x = 107,757.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.