Finding the Fourth Proportional to 134,851.06, 202,217.76 and 71,655.96
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Solution
The fourth proportional to 134,851.06, 202,217.76 and 71,655.96 is: 107,452.68
Step by Step Solution
- Step 1: Write the proportion equation
134,851.06 : 202,217.76 = 71,655.96 : x - Step 2: Convert to fraction form
134,851.06/202,217.76 = 71,655.96/x - Step 3: Cross multiply
134,851.06x = 202,217.76 × 71,655.96 - Step 4: Simplify right side
134,851.06x = 14,490,107,721.85 - Step 5: Solve for x
x = 14,490,107,721.85/134,851.06 - Step 6: Final answer
x = 107,452.68
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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.