Finding the Fourth Proportional to 125,591.70, 188,387.55 and 106,564.80
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Solution
The fourth proportional to 125,591.70, 188,387.55 and 106,564.80 is: 159,847.20
Step by Step Solution
- Step 1: Write the proportion equation
125,591.70 : 188,387.55 = 106,564.80 : x - Step 2: Convert to fraction form
125,591.70/188,387.55 = 106,564.80/x - Step 3: Cross multiply
125,591.70x = 188,387.55 × 106,564.80 - Step 4: Simplify right side
125,591.70x = 20,075,481,588.24 - Step 5: Solve for x
x = 20,075,481,588.24/125,591.70 - Step 6: Final answer
x = 159,847.20
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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.