Finding the Fourth Proportional to 110,739.80, 166,109.70 and 97,617.80
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Solution
The fourth proportional to 110,739.80, 166,109.70 and 97,617.80 is: 146,426.70
Step by Step Solution
- Step 1: Write the proportion equation
110,739.80 : 166,109.70 = 97,617.80 : x - Step 2: Convert to fraction form
110,739.80/166,109.70 = 97,617.80/x - Step 3: Cross multiply
110,739.80x = 166,109.70 × 97,617.80 - Step 4: Simplify right side
110,739.80x = 16,215,263,472.66 - Step 5: Solve for x
x = 16,215,263,472.66/110,739.80 - Step 6: Final answer
x = 146,426.70
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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.