Finding the Fourth Proportional to 133,749.99, 184,527.68 and 76,347.90
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Solution
The fourth proportional to 133,749.99, 184,527.68 and 76,347.90 is: 105,333.10
Step by Step Solution
- Step 1: Write the proportion equation
133,749.99 : 184,527.68 = 76,347.90 : x - Step 2: Convert to fraction form
133,749.99/184,527.68 = 76,347.90/x - Step 3: Cross multiply
133,749.99x = 184,527.68 × 76,347.90 - Step 4: Simplify right side
133,749.99x = 14,088,300,478.13 - Step 5: Solve for x
x = 14,088,300,478.13/133,749.99 - Step 6: Final answer
x = 105,333.10
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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.