Finding the Fourth Proportional to 106,454.88, 159,683.84 and 51,037.92
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Solution
The fourth proportional to 106,454.88, 159,683.84 and 51,037.92 is: 76,557.61
Step by Step Solution
- Step 1: Write the proportion equation
106,454.88 : 159,683.84 = 51,037.92 : x - Step 2: Convert to fraction form
106,454.88/159,683.84 = 51,037.92/x - Step 3: Cross multiply
106,454.88x = 159,683.84 × 51,037.92 - Step 4: Simplify right side
106,454.88x = 8,149,931,051.21 - Step 5: Solve for x
x = 8,149,931,051.21/106,454.88 - Step 6: Final answer
x = 76,557.61
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1.5x scale
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.