Finding the Fourth Proportional to 142,025.12, 213,037.68 and 48,531.68
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Solution
The fourth proportional to 142,025.12, 213,037.68 and 48,531.68 is: 72,797.52
Step by Step Solution
- Step 1: Write the proportion equation
142,025.12 : 213,037.68 = 48,531.68 : x - Step 2: Convert to fraction form
142,025.12/213,037.68 = 48,531.68/x - Step 3: Cross multiply
142,025.12x = 213,037.68 × 48,531.68 - Step 4: Simplify right side
142,025.12x = 10,339,076,513.70 - Step 5: Solve for x
x = 10,339,076,513.70/142,025.12 - Step 6: Final answer
x = 72,797.52
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1.5x scale
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.