Finding the Fourth Proportional to 106,270.45, 159,430.26 and 36,149.75
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Solution
The fourth proportional to 106,270.45, 159,430.26 and 36,149.75 is: 54,232.99
Step by Step Solution
- Step 1: Write the proportion equation
106,270.45 : 159,430.26 = 36,149.75 : x - Step 2: Convert to fraction form
106,270.45/159,430.26 = 36,149.75/x - Step 3: Cross multiply
106,270.45x = 159,430.26 × 36,149.75 - Step 4: Simplify right side
106,270.45x = 5,763,364,041.44 - Step 5: Solve for x
x = 5,763,364,041.44/106,270.45 - Step 6: Final answer
x = 54,232.99
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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.