Finding the Fourth Proportional to 110,913.40, 166,499.70 and 110,135.80
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Solution
The fourth proportional to 110,913.40, 166,499.70 and 110,135.80 is: 165,332.39
Step by Step Solution
- Step 1: Write the proportion equation
110,913.40 : 166,499.70 = 110,135.80 : x - Step 2: Convert to fraction form
110,913.40/166,499.70 = 110,135.80/x - Step 3: Cross multiply
110,913.40x = 166,499.70 × 110,135.80 - Step 4: Simplify right side
110,913.40x = 18,337,577,659.26 - Step 5: Solve for x
x = 18,337,577,659.26/110,913.40 - Step 6: Final answer
x = 165,332.39
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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.