Finding the Fourth Proportional to 141,553.08, 212,176.44 and 71,437.80
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Solution
The fourth proportional to 141,553.08, 212,176.44 and 71,437.80 is: 107,079.39
Step by Step Solution
- Step 1: Write the proportion equation
141,553.08 : 212,176.44 = 71,437.80 : x - Step 2: Convert to fraction form
141,553.08/212,176.44 = 71,437.80/x - Step 3: Cross multiply
141,553.08x = 212,176.44 × 71,437.80 - Step 4: Simplify right side
141,553.08x = 15,157,418,085.43 - Step 5: Solve for x
x = 15,157,418,085.43/141,553.08 - Step 6: Final answer
x = 107,079.39
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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.