Finding the Fourth Proportional to 118,983.12, 164,173.96 and 68,011.99
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Solution
The fourth proportional to 118,983.12, 164,173.96 and 68,011.99 is: 93,843.54
Step by Step Solution
- Step 1: Write the proportion equation
118,983.12 : 164,173.96 = 68,011.99 : x - Step 2: Convert to fraction form
118,983.12/164,173.96 = 68,011.99/x - Step 3: Cross multiply
118,983.12x = 164,173.96 × 68,011.99 - Step 4: Simplify right side
118,983.12x = 11,165,797,725.78 - Step 5: Solve for x
x = 11,165,797,725.78/118,983.12 - Step 6: Final answer
x = 93,843.54
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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.