Finding the Fourth Proportional to 106,019.60, 159,028.99 and 27,133.70
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Solution
The fourth proportional to 106,019.60, 159,028.99 and 27,133.70 is: 40,700.44
Step by Step Solution
- Step 1: Write the proportion equation
106,019.60 : 159,028.99 = 27,133.70 : x - Step 2: Convert to fraction form
106,019.60/159,028.99 = 27,133.70/x - Step 3: Cross multiply
106,019.60x = 159,028.99 × 27,133.70 - Step 4: Simplify right side
106,019.60x = 4,315,044,042.98 - Step 5: Solve for x
x = 4,315,044,042.98/106,019.60 - Step 6: Final answer
x = 40,700.44
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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.