Finding the Fourth Proportional to 135,135.80, 202,426.92 and 75,846.98
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Solution
The fourth proportional to 135,135.80, 202,426.92 and 75,846.98 is: 113,615.12
Step by Step Solution
- Step 1: Write the proportion equation
135,135.80 : 202,426.92 = 75,846.98 : x - Step 2: Convert to fraction form
135,135.80/202,426.92 = 75,846.98/x - Step 3: Cross multiply
135,135.80x = 202,426.92 × 75,846.98 - Step 4: Simplify right side
135,135.80x = 15,353,470,552.70 - Step 5: Solve for x
x = 15,353,470,552.70/135,135.80 - Step 6: Final answer
x = 113,615.12
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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.