Finding the Fourth Proportional to 131,805.80, 197,708.70 and 124,029.80
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Solution
The fourth proportional to 131,805.80, 197,708.70 and 124,029.80 is: 186,044.70
Step by Step Solution
- Step 1: Write the proportion equation
131,805.80 : 197,708.70 = 124,029.80 : x - Step 2: Convert to fraction form
131,805.80/197,708.70 = 124,029.80/x - Step 3: Cross multiply
131,805.80x = 197,708.70 × 124,029.80 - Step 4: Simplify right side
131,805.80x = 24,521,770,519.26 - Step 5: Solve for x
x = 24,521,770,519.26/131,805.80 - Step 6: Final answer
x = 186,044.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.