Finding the Fourth Proportional to 106,354.74, 146,762.63 and 58,608.09
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Solution
The fourth proportional to 106,354.74, 146,762.63 and 58,608.09 is: 80,875.35
Step by Step Solution
- Step 1: Write the proportion equation
106,354.74 : 146,762.63 = 58,608.09 : x - Step 2: Convert to fraction form
106,354.74/146,762.63 = 58,608.09/x - Step 3: Cross multiply
106,354.74x = 146,762.63 × 58,608.09 - Step 4: Simplify right side
106,354.74x = 8,601,477,134.64 - Step 5: Solve for x
x = 8,601,477,134.64/106,354.74 - Step 6: Final answer
x = 80,875.35
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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.