Finding the Fourth Proportional to 118,309.84, 177,181.82 and 68,238.14
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Solution
The fourth proportional to 118,309.84, 177,181.82 and 68,238.14 is: 102,194.02
Step by Step Solution
- Step 1: Write the proportion equation
118,309.84 : 177,181.82 = 68,238.14 : x - Step 2: Convert to fraction form
118,309.84/177,181.82 = 68,238.14/x - Step 3: Cross multiply
118,309.84x = 177,181.82 × 68,238.14 - Step 4: Simplify right side
118,309.84x = 12,090,557,838.61 - Step 5: Solve for x
x = 12,090,557,838.61/118,309.84 - Step 6: Final answer
x = 102,194.02
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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.