Finding the Fourth Proportional to 140,391.18, 193,677.66 and 83,769.84
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Solution
The fourth proportional to 140,391.18, 193,677.66 and 83,769.84 is: 115,565.28
Step by Step Solution
- Step 1: Write the proportion equation
140,391.18 : 193,677.66 = 83,769.84 : x - Step 2: Convert to fraction form
140,391.18/193,677.66 = 83,769.84/x - Step 3: Cross multiply
140,391.18x = 193,677.66 × 83,769.84 - Step 4: Simplify right side
140,391.18x = 16,224,346,589.77 - Step 5: Solve for x
x = 16,224,346,589.77/140,391.18 - Step 6: Final answer
x = 115,565.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.