Finding the Fourth Proportional to 104,195.70, 156,410.19 and 69,203.70
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Solution
The fourth proportional to 104,195.70, 156,410.19 and 69,203.70 is: 103,883.02
Step by Step Solution
- Step 1: Write the proportion equation
104,195.70 : 156,410.19 = 69,203.70 : x - Step 2: Convert to fraction form
104,195.70/156,410.19 = 69,203.70/x - Step 3: Cross multiply
104,195.70x = 156,410.19 × 69,203.70 - Step 4: Simplify right side
104,195.70x = 10,824,163,865.70 - Step 5: Solve for x
x = 10,824,163,865.70/104,195.70 - Step 6: Final answer
x = 103,883.02
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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.