Finding the Fourth Proportional to 133,856.08, 184,718.01 and 76,491.75
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Solution
The fourth proportional to 133,856.08, 184,718.01 and 76,491.75 is: 105,556.69
Step by Step Solution
- Step 1: Write the proportion equation
133,856.08 : 184,718.01 = 76,491.75 : x - Step 2: Convert to fraction form
133,856.08/184,718.01 = 76,491.75/x - Step 3: Cross multiply
133,856.08x = 184,718.01 × 76,491.75 - Step 4: Simplify right side
133,856.08x = 14,129,404,111.98 - Step 5: Solve for x
x = 14,129,404,111.98/133,856.08 - Step 6: Final answer
x = 105,556.69
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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.