Finding the Fourth Proportional to 118,145.91, 176,465.67 and 106,884.03
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Solution
The fourth proportional to 118,145.91, 176,465.67 and 106,884.03 is: 159,644.65
Step by Step Solution
- Step 1: Write the proportion equation
118,145.91 : 176,465.67 = 106,884.03 : x - Step 2: Convert to fraction form
118,145.91/176,465.67 = 106,884.03/x - Step 3: Cross multiply
118,145.91x = 176,465.67 × 106,884.03 - Step 4: Simplify right side
118,145.91x = 18,861,361,966.25 - Step 5: Solve for x
x = 18,861,361,966.25/118,145.91 - Step 6: Final answer
x = 159,644.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.