Finding the Fourth Proportional to 156,925.26, 216,540.68 and 93,250.80
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Solution
The fourth proportional to 156,925.26, 216,540.68 and 93,250.80 is: 128,676.49
Step by Step Solution
- Step 1: Write the proportion equation
156,925.26 : 216,540.68 = 93,250.80 : x - Step 2: Convert to fraction form
156,925.26/216,540.68 = 93,250.80/x - Step 3: Cross multiply
156,925.26x = 216,540.68 × 93,250.80 - Step 4: Simplify right side
156,925.26x = 20,192,591,176.29 - Step 5: Solve for x
x = 20,192,591,176.29/156,925.26 - Step 6: Final answer
x = 128,676.49
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1.5x scale
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.