Finding the Fourth Proportional to 133,631.14, 184,403.10 and 73,189.75
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Solution
The fourth proportional to 133,631.14, 184,403.10 and 73,189.75 is: 100,997.54
Step by Step Solution
- Step 1: Write the proportion equation
133,631.14 : 184,403.10 = 73,189.75 : x - Step 2: Convert to fraction form
133,631.14/184,403.10 = 73,189.75/x - Step 3: Cross multiply
133,631.14x = 184,403.10 × 73,189.75 - Step 4: Simplify right side
133,631.14x = 13,496,416,788.23 - Step 5: Solve for x
x = 13,496,416,788.23/133,631.14 - Step 6: Final answer
x = 100,997.54
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1.5x scale
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.