Finding the Fourth Proportional to 177,641.08, 245,142.84 and 100,109.50
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Solution
The fourth proportional to 177,641.08, 245,142.84 and 100,109.50 is: 138,150.07
Step by Step Solution
- Step 1: Write the proportion equation
177,641.08 : 245,142.84 = 100,109.50 : x - Step 2: Convert to fraction form
177,641.08/245,142.84 = 100,109.50/x - Step 3: Cross multiply
177,641.08x = 245,142.84 × 100,109.50 - Step 4: Simplify right side
177,641.08x = 24,541,127,140.98 - Step 5: Solve for x
x = 24,541,127,140.98/177,641.08 - Step 6: Final answer
x = 138,150.07
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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.