Finding the Fourth Proportional to 146,353.76, 201,977.52 and 89,757.44
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Solution
The fourth proportional to 146,353.76, 201,977.52 and 89,757.44 is: 123,870.99
Step by Step Solution
- Step 1: Write the proportion equation
146,353.76 : 201,977.52 = 89,757.44 : x - Step 2: Convert to fraction form
146,353.76/201,977.52 = 89,757.44/x - Step 3: Cross multiply
146,353.76x = 201,977.52 × 89,757.44 - Step 4: Simplify right side
146,353.76x = 18,128,985,132.75 - Step 5: Solve for x
x = 18,128,985,132.75/146,353.76 - Step 6: Final answer
x = 123,870.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.