Finding the Fourth Proportional to 131,759.79, 181,827.68 and 71,330.00
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Solution
The fourth proportional to 131,759.79, 181,827.68 and 71,330.00 is: 98,434.95
Step by Step Solution
- Step 1: Write the proportion equation
131,759.79 : 181,827.68 = 71,330.00 : x - Step 2: Convert to fraction form
131,759.79/181,827.68 = 71,330.00/x - Step 3: Cross multiply
131,759.79x = 181,827.68 × 71,330.00 - Step 4: Simplify right side
131,759.79x = 12,969,767,683.59 - Step 5: Solve for x
x = 12,969,767,683.59/131,759.79 - Step 6: Final answer
x = 98,434.95
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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.