Finding the Fourth Proportional to 168,113.85, 252,230.73 and 83,866.56
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Solution
The fourth proportional to 168,113.85, 252,230.73 and 83,866.56 is: 125,829.75
Step by Step Solution
- Step 1: Write the proportion equation
168,113.85 : 252,230.73 = 83,866.56 : x - Step 2: Convert to fraction form
168,113.85/252,230.73 = 83,866.56/x - Step 3: Cross multiply
168,113.85x = 252,230.73 × 83,866.56 - Step 4: Simplify right side
168,113.85x = 21,153,724,281.97 - Step 5: Solve for x
x = 21,153,724,281.97/168,113.85 - Step 6: Final answer
x = 125,829.75
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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.