Finding the Fourth Proportional to 127,135.26, 175,480.70 and 79,359.84
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Solution
The fourth proportional to 127,135.26, 175,480.70 and 79,359.84 is: 109,537.83
Step by Step Solution
- Step 1: Write the proportion equation
127,135.26 : 175,480.70 = 79,359.84 : x - Step 2: Convert to fraction form
127,135.26/175,480.70 = 79,359.84/x - Step 3: Cross multiply
127,135.26x = 175,480.70 × 79,359.84 - Step 4: Simplify right side
127,135.26x = 13,926,119,878.29 - Step 5: Solve for x
x = 13,926,119,878.29/127,135.26 - Step 6: Final answer
x = 109,537.83
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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.