Finding the Fourth Proportional to 110,735.20, 166,102.80 and 104,903.20
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Solution
The fourth proportional to 110,735.20, 166,102.80 and 104,903.20 is: 157,354.80
Step by Step Solution
- Step 1: Write the proportion equation
110,735.20 : 166,102.80 = 104,903.20 : x - Step 2: Convert to fraction form
110,735.20/166,102.80 = 104,903.20/x - Step 3: Cross multiply
110,735.20x = 166,102.80 × 104,903.20 - Step 4: Simplify right side
110,735.20x = 17,424,715,248.96 - Step 5: Solve for x
x = 17,424,715,248.96/110,735.20 - Step 6: Final answer
x = 157,354.80
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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.