Finding the Fourth Proportional to 97,695.20, 146,542.80 and 88,509.80
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Solution
The fourth proportional to 97,695.20, 146,542.80 and 88,509.80 is: 132,764.70
Step by Step Solution
- Step 1: Write the proportion equation
97,695.20 : 146,542.80 = 88,509.80 : x - Step 2: Convert to fraction form
97,695.20/146,542.80 = 88,509.80/x - Step 3: Cross multiply
97,695.20x = 146,542.80 × 88,509.80 - Step 4: Simplify right side
97,695.20x = 12,970,473,919.44 - Step 5: Solve for x
x = 12,970,473,919.44/97,695.20 - Step 6: Final answer
x = 132,764.70
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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.