Finding the Fourth Proportional to 145,768.88, 201,161.76 and 82,107.68
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Solution
The fourth proportional to 145,768.88, 201,161.76 and 82,107.68 is: 113,309.00
Step by Step Solution
- Step 1: Write the proportion equation
145,768.88 : 201,161.76 = 82,107.68 : x - Step 2: Convert to fraction form
145,768.88/201,161.76 = 82,107.68/x - Step 3: Cross multiply
145,768.88x = 201,161.76 × 82,107.68 - Step 4: Simplify right side
145,768.88x = 16,516,925,418.32 - Step 5: Solve for x
x = 16,516,925,418.32/145,768.88 - Step 6: Final answer
x = 113,309.00
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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.