Finding the Fourth Proportional to 110,776.44, 166,139.82 and 31,873.08
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Solution
The fourth proportional to 110,776.44, 166,139.82 and 31,873.08 is: 47,802.47
Step by Step Solution
- Step 1: Write the proportion equation
110,776.44 : 166,139.82 = 31,873.08 : x - Step 2: Convert to fraction form
110,776.44/166,139.82 = 31,873.08/x - Step 3: Cross multiply
110,776.44x = 166,139.82 × 31,873.08 - Step 4: Simplify right side
110,776.44x = 5,295,387,774.05 - Step 5: Solve for x
x = 5,295,387,774.05/110,776.44 - Step 6: Final answer
x = 47,802.47
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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.