Finding the Fourth Proportional to 102,292.99, 141,126.12 and 102,135.29
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Solution
The fourth proportional to 102,292.99, 141,126.12 and 102,135.29 is: 140,908.55
Step by Step Solution
- Step 1: Write the proportion equation
102,292.99 : 141,126.12 = 102,135.29 : x - Step 2: Convert to fraction form
102,292.99/141,126.12 = 102,135.29/x - Step 3: Cross multiply
102,292.99x = 141,126.12 × 102,135.29 - Step 4: Simplify right side
102,292.99x = 14,413,956,487.14 - Step 5: Solve for x
x = 14,413,956,487.14/102,292.99 - Step 6: Final answer
x = 140,908.55
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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.