Finding the Fourth Proportional to 127,027.71, 175,299.18 and 86,740.44
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Solution
The fourth proportional to 127,027.71, 175,299.18 and 86,740.44 is: 119,702.45
Step by Step Solution
- Step 1: Write the proportion equation
127,027.71 : 175,299.18 = 86,740.44 : x - Step 2: Convert to fraction form
127,027.71/175,299.18 = 86,740.44/x - Step 3: Cross multiply
127,027.71x = 175,299.18 × 86,740.44 - Step 4: Simplify right side
127,027.71x = 15,205,528,004.84 - Step 5: Solve for x
x = 15,205,528,004.84/127,027.71 - Step 6: Final answer
x = 119,702.45
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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.