Finding the Fourth Proportional to 110,889.11, 153,028.44 and 63,142.65
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Solution
The fourth proportional to 110,889.11, 153,028.44 and 63,142.65 is: 87,137.69
Step by Step Solution
- Step 1: Write the proportion equation
110,889.11 : 153,028.44 = 63,142.65 : x - Step 2: Convert to fraction form
110,889.11/153,028.44 = 63,142.65/x - Step 3: Cross multiply
110,889.11x = 153,028.44 × 63,142.65 - Step 4: Simplify right side
110,889.11x = 9,662,621,226.97 - Step 5: Solve for x
x = 9,662,621,226.97/110,889.11 - Step 6: Final answer
x = 87,137.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.