Finding the Fourth Proportional to 110,987.68, 166,506.18 and 51,791.06
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Solution
The fourth proportional to 110,987.68, 166,506.18 and 51,791.06 is: 77,698.09
Step by Step Solution
- Step 1: Write the proportion equation
110,987.68 : 166,506.18 = 51,791.06 : x - Step 2: Convert to fraction form
110,987.68/166,506.18 = 51,791.06/x - Step 3: Cross multiply
110,987.68x = 166,506.18 × 51,791.06 - Step 4: Simplify right side
110,987.68x = 8,623,530,467.26 - Step 5: Solve for x
x = 8,623,530,467.26/110,987.68 - Step 6: Final answer
x = 77,698.09
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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.