Finding the Fourth Proportional to 133,538.20, 184,282.76 and 73,112.68
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Solution
The fourth proportional to 133,538.20, 184,282.76 and 73,112.68 is: 100,895.52
Step by Step Solution
- Step 1: Write the proportion equation
133,538.20 : 184,282.76 = 73,112.68 : x - Step 2: Convert to fraction form
133,538.20/184,282.76 = 73,112.68/x - Step 3: Cross multiply
133,538.20x = 184,282.76 × 73,112.68 - Step 4: Simplify right side
133,538.20x = 13,473,405,635.13 - Step 5: Solve for x
x = 13,473,405,635.13/133,538.20 - Step 6: Final answer
x = 100,895.52
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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.