Finding the Fourth Proportional to 141,727.86, 195,759.99 and 102,903.75
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Solution
The fourth proportional to 141,727.86, 195,759.99 and 102,903.75 is: 142,134.63
Step by Step Solution
- Step 1: Write the proportion equation
141,727.86 : 195,759.99 = 102,903.75 : x - Step 2: Convert to fraction form
141,727.86/195,759.99 = 102,903.75/x - Step 3: Cross multiply
141,727.86x = 195,759.99 × 102,903.75 - Step 4: Simplify right side
141,727.86x = 20,144,437,070.96 - Step 5: Solve for x
x = 20,144,437,070.96/141,727.86 - Step 6: Final answer
x = 142,134.63
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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.