Finding the Fourth Proportional to 133,387.37, 184,134.62 and 85,054.08
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Solution
The fourth proportional to 133,387.37, 184,134.62 and 85,054.08 is: 117,412.92
Step by Step Solution
- Step 1: Write the proportion equation
133,387.37 : 184,134.62 = 85,054.08 : x - Step 2: Convert to fraction form
133,387.37/184,134.62 = 85,054.08/x - Step 3: Cross multiply
133,387.37x = 184,134.62 × 85,054.08 - Step 4: Simplify right side
133,387.37x = 15,661,400,736.55 - Step 5: Solve for x
x = 15,661,400,736.55/133,387.37 - Step 6: Final answer
x = 117,412.92
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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.