Finding the Fourth Proportional to 181,349.68, 250,246.64 and 100,772.10
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Solution
The fourth proportional to 181,349.68, 250,246.64 and 100,772.10 is: 139,056.65
Step by Step Solution
- Step 1: Write the proportion equation
181,349.68 : 250,246.64 = 100,772.10 : x - Step 2: Convert to fraction form
181,349.68/250,246.64 = 100,772.10/x - Step 3: Cross multiply
181,349.68x = 250,246.64 × 100,772.10 - Step 4: Simplify right side
181,349.68x = 25,217,879,430.74 - Step 5: Solve for x
x = 25,217,879,430.74/181,349.68 - Step 6: Final answer
x = 139,056.65
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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.