Finding the Fourth Proportional to 107,325.30, 160,858.35 and 54,707.70
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Solution
The fourth proportional to 107,325.30, 160,858.35 and 54,707.70 is: 81,995.49
Step by Step Solution
- Step 1: Write the proportion equation
107,325.30 : 160,858.35 = 54,707.70 : x - Step 2: Convert to fraction form
107,325.30/160,858.35 = 54,707.70/x - Step 3: Cross multiply
107,325.30x = 160,858.35 × 54,707.70 - Step 4: Simplify right side
107,325.30x = 8,800,190,354.30 - Step 5: Solve for x
x = 8,800,190,354.30/107,325.30 - Step 6: Final answer
x = 81,995.49
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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.