Finding the Fourth Proportional to 133,998.40, 184,918.62 and 73,571.68
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Solution
The fourth proportional to 133,998.40, 184,918.62 and 73,571.68 is: 101,529.37
Step by Step Solution
- Step 1: Write the proportion equation
133,998.40 : 184,918.62 = 73,571.68 : x - Step 2: Convert to fraction form
133,998.40/184,918.62 = 73,571.68/x - Step 3: Cross multiply
133,998.40x = 184,918.62 × 73,571.68 - Step 4: Simplify right side
133,998.40x = 13,604,773,536.68 - Step 5: Solve for x
x = 13,604,773,536.68/133,998.40 - Step 6: Final answer
x = 101,529.37
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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.