Finding the Fourth Proportional to 106,018.75, 146,303.99 and 58,272.09
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Solution
The fourth proportional to 106,018.75, 146,303.99 and 58,272.09 is: 80,414.44
Step by Step Solution
- Step 1: Write the proportion equation
106,018.75 : 146,303.99 = 58,272.09 : x - Step 2: Convert to fraction form
106,018.75/146,303.99 = 58,272.09/x - Step 3: Cross multiply
106,018.75x = 146,303.99 × 58,272.09 - Step 4: Simplify right side
106,018.75x = 8,525,438,651.16 - Step 5: Solve for x
x = 8,525,438,651.16/106,018.75 - Step 6: Final answer
x = 80,414.44
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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.