Finding the Fourth Proportional to 133,684.75, 184,484.96 and 74,068.75
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Solution
The fourth proportional to 133,684.75, 184,484.96 and 74,068.75 is: 102,214.88
Step by Step Solution
- Step 1: Write the proportion equation
133,684.75 : 184,484.96 = 74,068.75 : x - Step 2: Convert to fraction form
133,684.75/184,484.96 = 74,068.75/x - Step 3: Cross multiply
133,684.75x = 184,484.96 × 74,068.75 - Step 4: Simplify right side
133,684.75x = 13,664,570,010.66 - Step 5: Solve for x
x = 13,664,570,010.66/133,684.75 - Step 6: Final answer
x = 102,214.88
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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.