Finding the Fourth Proportional to 135,964.46, 187,660.97 and 75,555.88
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Solution
The fourth proportional to 135,964.46, 187,660.97 and 75,555.88 is: 104,283.79
Step by Step Solution
- Step 1: Write the proportion equation
135,964.46 : 187,660.97 = 75,555.88 : x - Step 2: Convert to fraction form
135,964.46/187,660.97 = 75,555.88/x - Step 3: Cross multiply
135,964.46x = 187,660.97 × 75,555.88 - Step 4: Simplify right side
135,964.46x = 14,178,889,166.41 - Step 5: Solve for x
x = 14,178,889,166.41/135,964.46 - Step 6: Final answer
x = 104,283.79
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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.