Finding the Fourth Proportional to 107,414.80, 160,927.80 and 91,862.80
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Solution
The fourth proportional to 107,414.80, 160,927.80 and 91,862.80 is: 137,627.95
Step by Step Solution
- Step 1: Write the proportion equation
107,414.80 : 160,927.80 = 91,862.80 : x - Step 2: Convert to fraction form
107,414.80/160,927.80 = 91,862.80/x - Step 3: Cross multiply
107,414.80x = 160,927.80 × 91,862.80 - Step 4: Simplify right side
107,414.80x = 14,783,278,305.84 - Step 5: Solve for x
x = 14,783,278,305.84/107,414.80 - Step 6: Final answer
x = 137,627.95
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1.5x scale
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.