Finding the Fourth Proportional to 133,618.09, 184,393.04 and 73,189.74
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Solution
The fourth proportional to 133,618.09, 184,393.04 and 73,189.74 is: 101,001.88
Step by Step Solution
- Step 1: Write the proportion equation
133,618.09 : 184,393.04 = 73,189.74 : x - Step 2: Convert to fraction form
133,618.09/184,393.04 = 73,189.74/x - Step 3: Cross multiply
133,618.09x = 184,393.04 × 73,189.74 - Step 4: Simplify right side
133,618.09x = 13,495,678,655.41 - Step 5: Solve for x
x = 13,495,678,655.41/133,618.09 - Step 6: Final answer
x = 101,001.88
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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.