Finding the Fourth Proportional to 119,266.58, 164,578.16 and 68,267.70
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Solution
The fourth proportional to 119,266.58, 164,578.16 and 68,267.70 is: 94,203.86
Step by Step Solution
- Step 1: Write the proportion equation
119,266.58 : 164,578.16 = 68,267.70 : x - Step 2: Convert to fraction form
119,266.58/164,578.16 = 68,267.70/x - Step 3: Cross multiply
119,266.58x = 164,578.16 × 68,267.70 - Step 4: Simplify right side
119,266.58x = 11,235,372,112.09 - Step 5: Solve for x
x = 11,235,372,112.09/119,266.58 - Step 6: Final answer
x = 94,203.86
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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.