Finding the Fourth Proportional to 118,210.20, 177,033.36 and 68,185.68
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Solution
The fourth proportional to 118,210.20, 177,033.36 and 68,185.68 is: 102,115.89
Step by Step Solution
- Step 1: Write the proportion equation
118,210.20 : 177,033.36 = 68,185.68 : x - Step 2: Convert to fraction form
118,210.20/177,033.36 = 68,185.68/x - Step 3: Cross multiply
118,210.20x = 177,033.36 × 68,185.68 - Step 4: Simplify right side
118,210.20x = 12,071,140,034.28 - Step 5: Solve for x
x = 12,071,140,034.28/118,210.20 - Step 6: Final answer
x = 102,115.89
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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.