Finding the Fourth Proportional to 117,778.02, 176,258.79 and 112,879.14
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Solution
The fourth proportional to 117,778.02, 176,258.79 and 112,879.14 is: 168,927.45
Step by Step Solution
- Step 1: Write the proportion equation
117,778.02 : 176,258.79 = 112,879.14 : x - Step 2: Convert to fraction form
117,778.02/176,258.79 = 112,879.14/x - Step 3: Cross multiply
117,778.02x = 176,258.79 × 112,879.14 - Step 4: Simplify right side
117,778.02x = 19,895,940,632.64 - Step 5: Solve for x
x = 19,895,940,632.64/117,778.02 - Step 6: Final answer
x = 168,927.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.