Finding the Fourth Proportional to 136,400.20, 205,037.70 and 97,228.60
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Solution
The fourth proportional to 136,400.20, 205,037.70 and 97,228.60 is: 146,154.69
Step by Step Solution
- Step 1: Write the proportion equation
136,400.20 : 205,037.70 = 97,228.60 : x - Step 2: Convert to fraction form
136,400.20/205,037.70 = 97,228.60/x - Step 3: Cross multiply
136,400.20x = 205,037.70 × 97,228.60 - Step 4: Simplify right side
136,400.20x = 19,935,528,518.22 - Step 5: Solve for x
x = 19,935,528,518.22/136,400.20 - Step 6: Final answer
x = 146,154.69
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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.