Finding the Fourth Proportional to 102,843.10, 154,264.65 and 93,657.70
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Solution
The fourth proportional to 102,843.10, 154,264.65 and 93,657.70 is: 140,486.55
Step by Step Solution
- Step 1: Write the proportion equation
102,843.10 : 154,264.65 = 93,657.70 : x - Step 2: Convert to fraction form
102,843.10/154,264.65 = 93,657.70/x - Step 3: Cross multiply
102,843.10x = 154,264.65 × 93,657.70 - Step 4: Simplify right side
102,843.10x = 14,448,072,310.31 - Step 5: Solve for x
x = 14,448,072,310.31/102,843.10 - Step 6: Final answer
x = 140,486.55
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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.