Finding the Fourth Proportional to 134,893.62, 202,118.09 and 87,506.19
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Solution
The fourth proportional to 134,893.62, 202,118.09 and 87,506.19 is: 131,115.05
Step by Step Solution
- Step 1: Write the proportion equation
134,893.62 : 202,118.09 = 87,506.19 : x - Step 2: Convert to fraction form
134,893.62/202,118.09 = 87,506.19/x - Step 3: Cross multiply
134,893.62x = 202,118.09 × 87,506.19 - Step 4: Simplify right side
134,893.62x = 17,686,583,548.45 - Step 5: Solve for x
x = 17,686,583,548.45/134,893.62 - Step 6: Final answer
x = 131,115.05
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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.