Finding the Fourth Proportional to 135,133.80, 202,423.92 and 75,844.98
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Solution
The fourth proportional to 135,133.80, 202,423.92 and 75,844.98 is: 113,612.12
Step by Step Solution
- Step 1: Write the proportion equation
135,133.80 : 202,423.92 = 75,844.98 : x - Step 2: Convert to fraction form
135,133.80/202,423.92 = 75,844.98/x - Step 3: Cross multiply
135,133.80x = 202,423.92 × 75,844.98 - Step 4: Simplify right side
135,133.80x = 15,352,838,163.92 - Step 5: Solve for x
x = 15,352,838,163.92/135,133.80 - Step 6: Final answer
x = 113,612.12
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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.