Finding the Fourth Proportional to 135,267.05, 202,706.48 and 75,977.94
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Solution
The fourth proportional to 135,267.05, 202,706.48 and 75,977.94 is: 113,857.88
Step by Step Solution
- Step 1: Write the proportion equation
135,267.05 : 202,706.48 = 75,977.94 : x - Step 2: Convert to fraction form
135,267.05/202,706.48 = 75,977.94/x - Step 3: Cross multiply
135,267.05x = 202,706.48 × 75,977.94 - Step 4: Simplify right side
135,267.05x = 15,401,219,381.63 - Step 5: Solve for x
x = 15,401,219,381.63/135,267.05 - Step 6: Final answer
x = 113,857.88
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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.