Finding the Fourth Proportional to 148,203.26, 204,520.50 and 81,135.26
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Solution
The fourth proportional to 148,203.26, 204,520.50 and 81,135.26 is: 111,966.66
Step by Step Solution
- Step 1: Write the proportion equation
148,203.26 : 204,520.50 = 81,135.26 : x - Step 2: Convert to fraction form
148,203.26/204,520.50 = 81,135.26/x - Step 3: Cross multiply
148,203.26x = 204,520.50 × 81,135.26 - Step 4: Simplify right side
148,203.26x = 16,593,823,942.83 - Step 5: Solve for x
x = 16,593,823,942.83/148,203.26 - Step 6: Final answer
x = 111,966.66
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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.