Finding the Fourth Proportional to 113,216.44, 156,198.86 and 67,909.09
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Solution
The fourth proportional to 113,216.44, 156,198.86 and 67,909.09 is: 93,690.65
Step by Step Solution
- Step 1: Write the proportion equation
113,216.44 : 156,198.86 = 67,909.09 : x - Step 2: Convert to fraction form
113,216.44/156,198.86 = 67,909.09/x - Step 3: Cross multiply
113,216.44x = 156,198.86 × 67,909.09 - Step 4: Simplify right side
113,216.44x = 10,607,321,711.59 - Step 5: Solve for x
x = 10,607,321,711.59/113,216.44 - Step 6: Final answer
x = 93,690.65
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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.