Finding the Fourth Proportional to 118,974.13, 164,184.29 and 68,673.13
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Solution
The fourth proportional to 118,974.13, 164,184.29 and 68,673.13 is: 94,768.91
Step by Step Solution
- Step 1: Write the proportion equation
118,974.13 : 164,184.29 = 68,673.13 : x - Step 2: Convert to fraction form
118,974.13/164,184.29 = 68,673.13/x - Step 3: Cross multiply
118,974.13x = 164,184.29 × 68,673.13 - Step 4: Simplify right side
118,974.13x = 11,275,049,091.13 - Step 5: Solve for x
x = 11,275,049,091.13/118,974.13 - Step 6: Final answer
x = 94,768.91
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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.