Finding the Fourth Proportional to 127,140.14, 190,711.16 and 58,745.36
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Solution
The fourth proportional to 127,140.14, 190,711.16 and 58,745.36 is: 88,118.48
Step by Step Solution
- Step 1: Write the proportion equation
127,140.14 : 190,711.16 = 58,745.36 : x - Step 2: Convert to fraction form
127,140.14/190,711.16 = 58,745.36/x - Step 3: Cross multiply
127,140.14x = 190,711.16 × 58,745.36 - Step 4: Simplify right side
127,140.14x = 11,203,395,750.22 - Step 5: Solve for x
x = 11,203,395,750.22/127,140.14 - Step 6: Final answer
x = 88,118.48
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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.