Finding the Fourth Proportional to 114,121.14, 157,475.07 and 63,125.79
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Solution
The fourth proportional to 114,121.14, 157,475.07 and 63,125.79 is: 87,106.90
Step by Step Solution
- Step 1: Write the proportion equation
114,121.14 : 157,475.07 = 63,125.79 : x - Step 2: Convert to fraction form
114,121.14/157,475.07 = 63,125.79/x - Step 3: Cross multiply
114,121.14x = 157,475.07 × 63,125.79 - Step 4: Simplify right side
114,121.14x = 9,940,738,199.06 - Step 5: Solve for x
x = 9,940,738,199.06/114,121.14 - Step 6: Final answer
x = 87,106.90
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1.5x scale
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.