Finding the Fourth Proportional to 105,789.67, 158,685.09 and 26,903.95
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Solution
The fourth proportional to 105,789.67, 158,685.09 and 26,903.95 is: 40,356.07
Step by Step Solution
- Step 1: Write the proportion equation
105,789.67 : 158,685.09 = 26,903.95 : x - Step 2: Convert to fraction form
105,789.67/158,685.09 = 26,903.95/x - Step 3: Cross multiply
105,789.67x = 158,685.09 × 26,903.95 - Step 4: Simplify right side
105,789.67x = 4,269,255,727.11 - Step 5: Solve for x
x = 4,269,255,727.11/105,789.67 - Step 6: Final answer
x = 40,356.07
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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.