Finding the Fourth Proportional to 102,037.28, 153,107.76 and 45,866.08
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Solution
The fourth proportional to 102,037.28, 153,107.76 and 45,866.08 is: 68,822.41
Step by Step Solution
- Step 1: Write the proportion equation
102,037.28 : 153,107.76 = 45,866.08 : x - Step 2: Convert to fraction form
102,037.28/153,107.76 = 45,866.08/x - Step 3: Cross multiply
102,037.28x = 153,107.76 × 45,866.08 - Step 4: Simplify right side
102,037.28x = 7,022,452,003.24 - Step 5: Solve for x
x = 7,022,452,003.24/102,037.28 - Step 6: Final answer
x = 68,822.41
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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.