Finding the Fourth Proportional to 127,673.84, 191,044.20 and 75,108.08
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Solution
The fourth proportional to 127,673.84, 191,044.20 and 75,108.08 is: 112,387.65
Step by Step Solution
- Step 1: Write the proportion equation
127,673.84 : 191,044.20 = 75,108.08 : x - Step 2: Convert to fraction form
127,673.84/191,044.20 = 75,108.08/x - Step 3: Cross multiply
127,673.84x = 191,044.20 × 75,108.08 - Step 4: Simplify right side
127,673.84x = 14,348,963,057.14 - Step 5: Solve for x
x = 14,348,963,057.14/127,673.84 - Step 6: Final answer
x = 112,387.65
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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.