Finding the Fourth Proportional to 136,217.52, 187,873.62 and 88,486.26
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Solution
The fourth proportional to 136,217.52, 187,873.62 and 88,486.26 is: 122,041.82
Step by Step Solution
- Step 1: Write the proportion equation
136,217.52 : 187,873.62 = 88,486.26 : x - Step 2: Convert to fraction form
136,217.52/187,873.62 = 88,486.26/x - Step 3: Cross multiply
136,217.52x = 187,873.62 × 88,486.26 - Step 4: Simplify right side
136,217.52x = 16,624,233,986.46 - Step 5: Solve for x
x = 16,624,233,986.46/136,217.52 - Step 6: Final answer
x = 122,041.82
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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.