Finding the Fourth Proportional to 133,663.76, 184,459.86 and 73,239.68
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Solution
The fourth proportional to 133,663.76, 184,459.86 and 73,239.68 is: 101,072.88
Step by Step Solution
- Step 1: Write the proportion equation
133,663.76 : 184,459.86 = 73,239.68 : x - Step 2: Convert to fraction form
133,663.76/184,459.86 = 73,239.68/x - Step 3: Cross multiply
133,663.76x = 184,459.86 × 73,239.68 - Step 4: Simplify right side
133,663.76x = 13,509,781,119.24 - Step 5: Solve for x
x = 13,509,781,119.24/133,663.76 - Step 6: Final answer
x = 101,072.88
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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.