Finding the Fourth Proportional to 133,684.26, 184,684.59 and 87,853.02
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Solution
The fourth proportional to 133,684.26, 184,684.59 and 87,853.02 is: 121,368.81
Step by Step Solution
- Step 1: Write the proportion equation
133,684.26 : 184,684.59 = 87,853.02 : x - Step 2: Convert to fraction form
133,684.26/184,684.59 = 87,853.02/x - Step 3: Cross multiply
133,684.26x = 184,684.59 × 87,853.02 - Step 4: Simplify right side
133,684.26x = 16,225,098,978.96 - Step 5: Solve for x
x = 16,225,098,978.96/133,684.26 - Step 6: Final answer
x = 121,368.81
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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.