Finding the Fourth Proportional to 133,863.31, 184,729.65 and 76,501.99
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Solution
The fourth proportional to 133,863.31, 184,729.65 and 76,501.99 is: 105,571.76
Step by Step Solution
- Step 1: Write the proportion equation
133,863.31 : 184,729.65 = 76,501.99 : x - Step 2: Convert to fraction form
133,863.31/184,729.65 = 76,501.99/x - Step 3: Cross multiply
133,863.31x = 184,729.65 × 76,501.99 - Step 4: Simplify right side
133,863.31x = 14,132,185,837.00 - Step 5: Solve for x
x = 14,132,185,837.00/133,863.31 - Step 6: Final answer
x = 105,571.76
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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.