Finding the Fourth Proportional to 117,937.80, 176,906.70 and 106,273.80
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Solution
The fourth proportional to 117,937.80, 176,906.70 and 106,273.80 is: 159,410.70
Step by Step Solution
- Step 1: Write the proportion equation
117,937.80 : 176,906.70 = 106,273.80 : x - Step 2: Convert to fraction form
117,937.80/176,906.70 = 106,273.80/x - Step 3: Cross multiply
117,937.80x = 176,906.70 × 106,273.80 - Step 4: Simplify right side
117,937.80x = 18,800,547,254.46 - Step 5: Solve for x
x = 18,800,547,254.46/117,937.80 - Step 6: Final answer
x = 159,410.70
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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.