Finding the Fourth Proportional to 135,396.08, 186,846.44 and 75,780.08
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Solution
The fourth proportional to 135,396.08, 186,846.44 and 75,780.08 is: 104,576.43
Step by Step Solution
- Step 1: Write the proportion equation
135,396.08 : 186,846.44 = 75,780.08 : x - Step 2: Convert to fraction form
135,396.08/186,846.44 = 75,780.08/x - Step 3: Cross multiply
135,396.08x = 186,846.44 × 75,780.08 - Step 4: Simplify right side
135,396.08x = 14,159,238,170.92 - Step 5: Solve for x
x = 14,159,238,170.92/135,396.08 - Step 6: Final answer
x = 104,576.43
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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.