Finding the Fourth Proportional to 125,125.65, 187,698.87 and 40,884.03
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Solution
The fourth proportional to 125,125.65, 187,698.87 and 40,884.03 is: 61,329.44
Step by Step Solution
- Step 1: Write the proportion equation
125,125.65 : 187,698.87 = 40,884.03 : x - Step 2: Convert to fraction form
125,125.65/187,698.87 = 40,884.03/x - Step 3: Cross multiply
125,125.65x = 187,698.87 × 40,884.03 - Step 4: Simplify right side
125,125.65x = 7,673,886,232.05 - Step 5: Solve for x
x = 7,673,886,232.05/125,125.65 - Step 6: Final answer
x = 61,329.44
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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.