Finding the Fourth Proportional to 132,933.50, 198,931.86 and 83,037.09
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Solution
The fourth proportional to 132,933.50, 198,931.86 and 83,037.09 is: 124,263.06
Step by Step Solution
- Step 1: Write the proportion equation
132,933.50 : 198,931.86 = 83,037.09 : x - Step 2: Convert to fraction form
132,933.50/198,931.86 = 83,037.09/x - Step 3: Cross multiply
132,933.50x = 198,931.86 × 83,037.09 - Step 4: Simplify right side
132,933.50x = 16,518,723,508.68 - Step 5: Solve for x
x = 16,518,723,508.68/132,933.50 - Step 6: Final answer
x = 124,263.06
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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.