Finding the Fourth Proportional to 133,664.96, 184,434.19 and 76,278.08
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Solution
The fourth proportional to 133,664.96, 184,434.19 and 76,278.08 is: 105,250.37
Step by Step Solution
- Step 1: Write the proportion equation
133,664.96 : 184,434.19 = 76,278.08 : x - Step 2: Convert to fraction form
133,664.96/184,434.19 = 76,278.08/x - Step 3: Cross multiply
133,664.96x = 184,434.19 × 76,278.08 - Step 4: Simplify right side
133,664.96x = 14,068,285,899.56 - Step 5: Solve for x
x = 14,068,285,899.56/133,664.96 - Step 6: Final answer
x = 105,250.37
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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.