Finding the Fourth Proportional to 146,005.08, 201,369.87 and 100,672.62
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Solution
The fourth proportional to 146,005.08, 201,369.87 and 100,672.62 is: 138,847.45
Step by Step Solution
- Step 1: Write the proportion equation
146,005.08 : 201,369.87 = 100,672.62 : x - Step 2: Convert to fraction form
146,005.08/201,369.87 = 100,672.62/x - Step 3: Cross multiply
146,005.08x = 201,369.87 × 100,672.62 - Step 4: Simplify right side
146,005.08x = 20,272,432,401.96 - Step 5: Solve for x
x = 20,272,432,401.96/146,005.08 - Step 6: Final answer
x = 138,847.45
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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.