Finding the Fourth Proportional to 92,602.29, 139,087.95 and 87,379.92
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Solution
The fourth proportional to 92,602.29, 139,087.95 and 87,379.92 is: 131,243.99
Step by Step Solution
- Step 1: Write the proportion equation
92,602.29 : 139,087.95 = 87,379.92 : x - Step 2: Convert to fraction form
92,602.29/139,087.95 = 87,379.92/x - Step 3: Cross multiply
92,602.29x = 139,087.95 × 87,379.92 - Step 4: Simplify right side
92,602.29x = 12,153,493,943.96 - Step 5: Solve for x
x = 12,153,493,943.96/92,602.29 - Step 6: Final answer
x = 131,243.99
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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.