Finding the Fourth Proportional to 167,764.56, 251,802.36 and 84,716.88
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Solution
The fourth proportional to 167,764.56, 251,802.36 and 84,716.88 is: 127,153.85
Step by Step Solution
- Step 1: Write the proportion equation
167,764.56 : 251,802.36 = 84,716.88 : x - Step 2: Convert to fraction form
167,764.56/251,802.36 = 84,716.88/x - Step 3: Cross multiply
167,764.56x = 251,802.36 × 84,716.88 - Step 4: Simplify right side
167,764.56x = 21,331,910,315.84 - Step 5: Solve for x
x = 21,331,910,315.84/167,764.56 - Step 6: Final answer
x = 127,153.85
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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.