Finding the Fourth Proportional to 119,126.24, 164,394.44 and 68,825.28
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Solution
The fourth proportional to 119,126.24, 164,394.44 and 68,825.28 is: 94,979.02
Step by Step Solution
- Step 1: Write the proportion equation
119,126.24 : 164,394.44 = 68,825.28 : x - Step 2: Convert to fraction form
119,126.24/164,394.44 = 68,825.28/x - Step 3: Cross multiply
119,126.24x = 164,394.44 × 68,825.28 - Step 4: Simplify right side
119,126.24x = 11,314,493,363.44 - Step 5: Solve for x
x = 11,314,493,363.44/119,126.24 - Step 6: Final answer
x = 94,979.02
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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.