Finding the Fourth Proportional to 133,563.93, 184,316.49 and 76,201.77
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Solution
The fourth proportional to 133,563.93, 184,316.49 and 76,201.77 is: 105,157.45
Step by Step Solution
- Step 1: Write the proportion equation
133,563.93 : 184,316.49 = 76,201.77 : x - Step 2: Convert to fraction form
133,563.93/184,316.49 = 76,201.77/x - Step 3: Cross multiply
133,563.93x = 184,316.49 × 76,201.77 - Step 4: Simplify right side
133,563.93x = 14,045,242,778.19 - Step 5: Solve for x
x = 14,045,242,778.19/133,563.93 - Step 6: Final answer
x = 105,157.45
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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.