Finding the Fourth Proportional to 130,197.08, 179,691.12 and 82,454.87
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Solution
The fourth proportional to 130,197.08, 179,691.12 and 82,454.87 is: 113,799.85
Step by Step Solution
- Step 1: Write the proportion equation
130,197.08 : 179,691.12 = 82,454.87 : x - Step 2: Convert to fraction form
130,197.08/179,691.12 = 82,454.87/x - Step 3: Cross multiply
130,197.08x = 179,691.12 × 82,454.87 - Step 4: Simplify right side
130,197.08x = 14,816,407,041.30 - Step 5: Solve for x
x = 14,816,407,041.30/130,197.08 - Step 6: Final answer
x = 113,799.85
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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.