Finding the Fourth Proportional to 133,615.13, 184,388.93 and 73,186.79
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Solution
The fourth proportional to 133,615.13, 184,388.93 and 73,186.79 is: 100,997.80
Step by Step Solution
- Step 1: Write the proportion equation
133,615.13 : 184,388.93 = 73,186.79 : x - Step 2: Convert to fraction form
133,615.13/184,388.93 = 73,186.79/x - Step 3: Cross multiply
133,615.13x = 184,388.93 × 73,186.79 - Step 4: Simplify right side
133,615.13x = 13,494,833,898.23 - Step 5: Solve for x
x = 13,494,833,898.23/133,615.13 - Step 6: Final answer
x = 100,997.80
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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.