Finding the Fourth Proportional to 158,577.96, 218,625.88 and 125,980.53
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Solution
The fourth proportional to 158,577.96, 218,625.88 and 125,980.53 is: 173,684.94
Step by Step Solution
- Step 1: Write the proportion equation
158,577.96 : 218,625.88 = 125,980.53 : x - Step 2: Convert to fraction form
158,577.96/218,625.88 = 125,980.53/x - Step 3: Cross multiply
158,577.96x = 218,625.88 × 125,980.53 - Step 4: Simplify right side
158,577.96x = 27,542,603,919.17 - Step 5: Solve for x
x = 27,542,603,919.17/158,577.96 - Step 6: Final answer
x = 173,684.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.