Finding the Fourth Proportional to 114,337.73, 157,735.80 and 68,990.42
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Solution
The fourth proportional to 114,337.73, 157,735.80 and 68,990.42 is: 95,176.45
Step by Step Solution
- Step 1: Write the proportion equation
114,337.73 : 157,735.80 = 68,990.42 : x - Step 2: Convert to fraction form
114,337.73/157,735.80 = 68,990.42/x - Step 3: Cross multiply
114,337.73x = 157,735.80 × 68,990.42 - Step 4: Simplify right side
114,337.73x = 10,882,258,302.36 - Step 5: Solve for x
x = 10,882,258,302.36/114,337.73 - Step 6: Final answer
x = 95,176.45
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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.