Finding the Fourth Proportional to 102,439.98, 141,376.50 and 62,163.99
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Solution
The fourth proportional to 102,439.98, 141,376.50 and 62,163.99 is: 85,791.97
Step by Step Solution
- Step 1: Write the proportion equation
102,439.98 : 141,376.50 = 62,163.99 : x - Step 2: Convert to fraction form
102,439.98/141,376.50 = 62,163.99/x - Step 3: Cross multiply
102,439.98x = 141,376.50 × 62,163.99 - Step 4: Simplify right side
102,439.98x = 8,788,527,332.24 - Step 5: Solve for x
x = 8,788,527,332.24/102,439.98 - Step 6: Final answer
x = 85,791.97
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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.