Finding the Fourth Proportional to 134,862.75, 202,303.85 and 51,756.75
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Solution
The fourth proportional to 134,862.75, 202,303.85 and 51,756.75 is: 77,638.86
Step by Step Solution
- Step 1: Write the proportion equation
134,862.75 : 202,303.85 = 51,756.75 : x - Step 2: Convert to fraction form
134,862.75/202,303.85 = 51,756.75/x - Step 3: Cross multiply
134,862.75x = 202,303.85 × 51,756.75 - Step 4: Simplify right side
134,862.75x = 10,470,589,529.70 - Step 5: Solve for x
x = 10,470,589,529.70/134,862.75 - Step 6: Final answer
x = 77,638.86
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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.