Finding the Fourth Proportional to 137,559.24, 189,865.49 and 83,873.84
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Solution
The fourth proportional to 137,559.24, 189,865.49 and 83,873.84 is: 115,766.46
Step by Step Solution
- Step 1: Write the proportion equation
137,559.24 : 189,865.49 = 83,873.84 : x - Step 2: Convert to fraction form
137,559.24/189,865.49 = 83,873.84/x - Step 3: Cross multiply
137,559.24x = 189,865.49 × 83,873.84 - Step 4: Simplify right side
137,559.24x = 15,924,746,361.09 - Step 5: Solve for x
x = 15,924,746,361.09/137,559.24 - Step 6: Final answer
x = 115,766.46
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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.