Finding the Fourth Proportional to 102,197.08, 141,038.60 and 56,874.92
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Solution
The fourth proportional to 102,197.08, 141,038.60 and 56,874.92 is: 78,491.08
Step by Step Solution
- Step 1: Write the proportion equation
102,197.08 : 141,038.60 = 56,874.92 : x - Step 2: Convert to fraction form
102,197.08/141,038.60 = 56,874.92/x - Step 3: Cross multiply
102,197.08x = 141,038.60 × 56,874.92 - Step 4: Simplify right side
102,197.08x = 8,021,559,091.91 - Step 5: Solve for x
x = 8,021,559,091.91/102,197.08 - Step 6: Final answer
x = 78,491.08
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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.