Finding the Fourth Proportional to 114,307.56, 157,785.84 and 93,049.92
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Solution
The fourth proportional to 114,307.56, 157,785.84 and 93,049.92 is: 128,442.60
Step by Step Solution
- Step 1: Write the proportion equation
114,307.56 : 157,785.84 = 93,049.92 : x - Step 2: Convert to fraction form
114,307.56/157,785.84 = 93,049.92/x - Step 3: Cross multiply
114,307.56x = 157,785.84 × 93,049.92 - Step 4: Simplify right side
114,307.56x = 14,681,959,789.13 - Step 5: Solve for x
x = 14,681,959,789.13/114,307.56 - Step 6: Final answer
x = 128,442.60
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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.