Finding the Fourth Proportional to 113,506.26, 156,643.48 and 63,205.26
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Solution
The fourth proportional to 113,506.26, 156,643.48 and 63,205.26 is: 87,225.95
Step by Step Solution
- Step 1: Write the proportion equation
113,506.26 : 156,643.48 = 63,205.26 : x - Step 2: Convert to fraction form
113,506.26/156,643.48 = 63,205.26/x - Step 3: Cross multiply
113,506.26x = 156,643.48 × 63,205.26 - Step 4: Simplify right side
113,506.26x = 9,900,691,880.70 - Step 5: Solve for x
x = 9,900,691,880.70/113,506.26 - Step 6: Final answer
x = 87,225.95
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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.