Finding the Fourth Proportional to 96,743.70, 145,115.55 and 92,855.70
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Solution
The fourth proportional to 96,743.70, 145,115.55 and 92,855.70 is: 139,283.55
Step by Step Solution
- Step 1: Write the proportion equation
96,743.70 : 145,115.55 = 92,855.70 : x - Step 2: Convert to fraction form
96,743.70/145,115.55 = 92,855.70/x - Step 3: Cross multiply
96,743.70x = 145,115.55 × 92,855.70 - Step 4: Simplify right side
96,743.70x = 13,474,805,976.14 - Step 5: Solve for x
x = 13,474,805,976.14/96,743.70 - Step 6: Final answer
x = 139,283.55
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1.5x scale
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.