Finding the Fourth Proportional to 110,511.80, 165,767.70 and 82,863.80
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Solution
The fourth proportional to 110,511.80, 165,767.70 and 82,863.80 is: 124,295.70
Step by Step Solution
- Step 1: Write the proportion equation
110,511.80 : 165,767.70 = 82,863.80 : x - Step 2: Convert to fraction form
110,511.80/165,767.70 = 82,863.80/x - Step 3: Cross multiply
110,511.80x = 165,767.70 × 82,863.80 - Step 4: Simplify right side
110,511.80x = 13,736,141,539.26 - Step 5: Solve for x
x = 13,736,141,539.26/110,511.80 - Step 6: Final answer
x = 124,295.70
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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.