Finding the Fourth Proportional to 107,558.54, 148,369.11 and 89,305.94
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Solution
The fourth proportional to 107,558.54, 148,369.11 and 89,305.94 is: 123,190.99
Step by Step Solution
- Step 1: Write the proportion equation
107,558.54 : 148,369.11 = 89,305.94 : x - Step 2: Convert to fraction form
107,558.54/148,369.11 = 89,305.94/x - Step 3: Cross multiply
107,558.54x = 148,369.11 × 89,305.94 - Step 4: Simplify right side
107,558.54x = 13,250,242,835.51 - Step 5: Solve for x
x = 13,250,242,835.51/107,558.54 - Step 6: Final answer
x = 123,190.99
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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.