Finding the Fourth Proportional to 118,876.40, 164,066.24 and 73,568.99
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Solution
The fourth proportional to 118,876.40, 164,066.24 and 73,568.99 is: 101,535.60
Step by Step Solution
- Step 1: Write the proportion equation
118,876.40 : 164,066.24 = 73,568.99 : x - Step 2: Convert to fraction form
118,876.40/164,066.24 = 73,568.99/x - Step 3: Cross multiply
118,876.40x = 164,066.24 × 73,568.99 - Step 4: Simplify right side
118,876.40x = 12,070,186,381.72 - Step 5: Solve for x
x = 12,070,186,381.72/118,876.40 - Step 6: Final answer
x = 101,535.60
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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.