Finding the Fourth Proportional to 119,407.14, 164,805.41 and 68,454.09
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Solution
The fourth proportional to 119,407.14, 164,805.41 and 68,454.09 is: 94,480.15
Step by Step Solution
- Step 1: Write the proportion equation
119,407.14 : 164,805.41 = 68,454.09 : x - Step 2: Convert to fraction form
119,407.14/164,805.41 = 68,454.09/x - Step 3: Cross multiply
119,407.14x = 164,805.41 × 68,454.09 - Step 4: Simplify right side
119,407.14x = 11,281,604,026.36 - Step 5: Solve for x
x = 11,281,604,026.36/119,407.14 - Step 6: Final answer
x = 94,480.15
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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.