Finding the Fourth Proportional to 119,380.19, 164,768.04 and 68,427.06
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Solution
The fourth proportional to 119,380.19, 164,768.04 and 68,427.06 is: 94,442.75
Step by Step Solution
- Step 1: Write the proportion equation
119,380.19 : 164,768.04 = 68,427.06 : x - Step 2: Convert to fraction form
119,380.19/164,768.04 = 68,427.06/x - Step 3: Cross multiply
119,380.19x = 164,768.04 × 68,427.06 - Step 4: Simplify right side
119,380.19x = 11,274,592,559.16 - Step 5: Solve for x
x = 11,274,592,559.16/119,380.19 - Step 6: Final answer
x = 94,442.75
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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.