Finding the Fourth Proportional to 125,950.80, 188,488.80 and 86,584.80
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Solution
The fourth proportional to 125,950.80, 188,488.80 and 86,584.80 is: 129,576.51
Step by Step Solution
- Step 1: Write the proportion equation
125,950.80 : 188,488.80 = 86,584.80 : x - Step 2: Convert to fraction form
125,950.80/188,488.80 = 86,584.80/x - Step 3: Cross multiply
125,950.80x = 188,488.80 × 86,584.80 - Step 4: Simplify right side
125,950.80x = 16,320,265,050.24 - Step 5: Solve for x
x = 16,320,265,050.24/125,950.80 - Step 6: Final answer
x = 129,576.51
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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.