Finding the Fourth Proportional to 135,445.20, 202,822.20 and 107,797.20
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Solution
The fourth proportional to 135,445.20, 202,822.20 and 107,797.20 is: 161,420.75
Step by Step Solution
- Step 1: Write the proportion equation
135,445.20 : 202,822.20 = 107,797.20 : x - Step 2: Convert to fraction form
135,445.20/202,822.20 = 107,797.20/x - Step 3: Cross multiply
135,445.20x = 202,822.20 × 107,797.20 - Step 4: Simplify right side
135,445.20x = 21,863,665,257.84 - Step 5: Solve for x
x = 21,863,665,257.84/135,445.20 - Step 6: Final answer
x = 161,420.75
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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.