Finding the Fourth Proportional to 140,177.23, 193,442.88 and 79,747.74
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Solution
The fourth proportional to 140,177.23, 193,442.88 and 79,747.74 is: 110,050.92
Step by Step Solution
- Step 1: Write the proportion equation
140,177.23 : 193,442.88 = 79,747.74 : x - Step 2: Convert to fraction form
140,177.23/193,442.88 = 79,747.74/x - Step 3: Cross multiply
140,177.23x = 193,442.88 × 79,747.74 - Step 4: Simplify right side
140,177.23x = 15,426,632,798.15 - Step 5: Solve for x
x = 15,426,632,798.15/140,177.23 - Step 6: Final answer
x = 110,050.92
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1.5x scale
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.