Finding the Fourth Proportional to 125,057.09, 187,605.26 and 40,797.81
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Solution
The fourth proportional to 125,057.09, 187,605.26 and 40,797.81 is: 61,203.12
Step by Step Solution
- Step 1: Write the proportion equation
125,057.09 : 187,605.26 = 40,797.81 : x - Step 2: Convert to fraction form
125,057.09/187,605.26 = 40,797.81/x - Step 3: Cross multiply
125,057.09x = 187,605.26 × 40,797.81 - Step 4: Simplify right side
125,057.09x = 7,653,883,548.49 - Step 5: Solve for x
x = 7,653,883,548.49/125,057.09 - Step 6: Final answer
x = 61,203.12
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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.