Finding the Fourth Proportional to 133,595.28, 184,381.68 and 76,234.32
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Solution
The fourth proportional to 133,595.28, 184,381.68 and 76,234.32 is: 105,214.88
Step by Step Solution
- Step 1: Write the proportion equation
133,595.28 : 184,381.68 = 76,234.32 : x - Step 2: Convert to fraction form
133,595.28/184,381.68 = 76,234.32/x - Step 3: Cross multiply
133,595.28x = 184,381.68 × 76,234.32 - Step 4: Simplify right side
133,595.28x = 14,056,211,995.26 - Step 5: Solve for x
x = 14,056,211,995.26/133,595.28 - Step 6: Final answer
x = 105,214.88
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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.