Finding the Fourth Proportional to 156,799.20, 235,198.82 and 68,050.74
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Solution
The fourth proportional to 156,799.20, 235,198.82 and 68,050.74 is: 102,076.12
Step by Step Solution
- Step 1: Write the proportion equation
156,799.20 : 235,198.82 = 68,050.74 : x - Step 2: Convert to fraction form
156,799.20/235,198.82 = 68,050.74/x - Step 3: Cross multiply
156,799.20x = 235,198.82 × 68,050.74 - Step 4: Simplify right side
156,799.20x = 16,005,453,748.13 - Step 5: Solve for x
x = 16,005,453,748.13/156,799.20 - Step 6: Final answer
x = 102,076.12
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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.