Finding the Fourth Proportional to 118,116.73, 177,258.11 and 106,823.60
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Solution
The fourth proportional to 118,116.73, 177,258.11 and 106,823.60 is: 160,310.49
Step by Step Solution
- Step 1: Write the proportion equation
118,116.73 : 177,258.11 = 106,823.60 : x - Step 2: Convert to fraction form
118,116.73/177,258.11 = 106,823.60/x - Step 3: Cross multiply
118,116.73x = 177,258.11 × 106,823.60 - Step 4: Simplify right side
118,116.73x = 18,935,349,882.54 - Step 5: Solve for x
x = 18,935,349,882.54/118,116.73 - Step 6: Final answer
x = 160,310.49
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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.