Finding the Fourth Proportional to 118,306.83, 177,177.33 and 68,235.13
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Solution
The fourth proportional to 118,306.83, 177,177.33 and 68,235.13 is: 102,189.52
Step by Step Solution
- Step 1: Write the proportion equation
118,306.83 : 177,177.33 = 68,235.13 : x - Step 2: Convert to fraction form
118,306.83/177,177.33 = 68,235.13/x - Step 3: Cross multiply
118,306.83x = 177,177.33 × 68,235.13 - Step 4: Simplify right side
118,306.83x = 12,089,717,259.72 - Step 5: Solve for x
x = 12,089,717,259.72/118,306.83 - Step 6: Final answer
x = 102,189.52
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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.