Finding the Fourth Proportional to 102,433.98, 141,368.19 and 62,157.96
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Solution
The fourth proportional to 102,433.98, 141,368.19 and 62,157.96 is: 85,783.63
Step by Step Solution
- Step 1: Write the proportion equation
102,433.98 : 141,368.19 = 62,157.96 : x - Step 2: Convert to fraction form
102,433.98/141,368.19 = 62,157.96/x - Step 3: Cross multiply
102,433.98x = 141,368.19 × 62,157.96 - Step 4: Simplify right side
102,433.98x = 8,787,158,299.29 - Step 5: Solve for x
x = 8,787,158,299.29/102,433.98 - Step 6: Final answer
x = 85,783.63
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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.