Finding the Fourth Proportional to 129,130.19, 193,584.35 and 44,879.41
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Solution
The fourth proportional to 129,130.19, 193,584.35 and 44,879.41 is: 67,280.56
Step by Step Solution
- Step 1: Write the proportion equation
129,130.19 : 193,584.35 = 44,879.41 : x - Step 2: Convert to fraction form
129,130.19/193,584.35 = 44,879.41/x - Step 3: Cross multiply
129,130.19x = 193,584.35 × 44,879.41 - Step 4: Simplify right side
129,130.19x = 8,687,950,970.51 - Step 5: Solve for x
x = 8,687,950,970.51/129,130.19 - Step 6: Final answer
x = 67,280.56
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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.