Finding the Fourth Proportional to 165,639.57, 248,138.58 and 99,132.09
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Solution
The fourth proportional to 165,639.57, 248,138.58 and 99,132.09 is: 148,506.16
Step by Step Solution
- Step 1: Write the proportion equation
165,639.57 : 248,138.58 = 99,132.09 : x - Step 2: Convert to fraction form
165,639.57/248,138.58 = 99,132.09/x - Step 3: Cross multiply
165,639.57x = 248,138.58 × 99,132.09 - Step 4: Simplify right side
165,639.57x = 24,598,496,045.03 - Step 5: Solve for x
x = 24,598,496,045.03/165,639.57 - Step 6: Final answer
x = 148,506.16
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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.