Finding the Fourth Proportional to 133,691.68, 184,425.50 and 90,656.62
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Solution
The fourth proportional to 133,691.68, 184,425.50 and 90,656.62 is: 125,059.33
Step by Step Solution
- Step 1: Write the proportion equation
133,691.68 : 184,425.50 = 90,656.62 : x - Step 2: Convert to fraction form
133,691.68/184,425.50 = 90,656.62/x - Step 3: Cross multiply
133,691.68x = 184,425.50 × 90,656.62 - Step 4: Simplify right side
133,691.68x = 16,719,392,471.81 - Step 5: Solve for x
x = 16,719,392,471.81/133,691.68 - Step 6: Final answer
x = 125,059.33
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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.