Finding the Fourth Proportional to 110,251.80, 165,246.42 and 76,790.76
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Solution
The fourth proportional to 110,251.80, 165,246.42 and 76,790.76 is: 115,094.70
Step by Step Solution
- Step 1: Write the proportion equation
110,251.80 : 165,246.42 = 76,790.76 : x - Step 2: Convert to fraction form
110,251.80/165,246.42 = 76,790.76/x - Step 3: Cross multiply
110,251.80x = 165,246.42 × 76,790.76 - Step 4: Simplify right side
110,251.80x = 12,689,398,179.08 - Step 5: Solve for x
x = 12,689,398,179.08/110,251.80 - Step 6: Final answer
x = 115,094.70
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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.