Finding the Fourth Proportional to 118,239.23, 177,421.12 and 68,354.36
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Solution
The fourth proportional to 118,239.23, 177,421.12 and 68,354.36 is: 102,567.54
Step by Step Solution
- Step 1: Write the proportion equation
118,239.23 : 177,421.12 = 68,354.36 : x - Step 2: Convert to fraction form
118,239.23/177,421.12 = 68,354.36/x - Step 3: Cross multiply
118,239.23x = 177,421.12 × 68,354.36 - Step 4: Simplify right side
118,239.23x = 12,127,507,543.47 - Step 5: Solve for x
x = 12,127,507,543.47/118,239.23 - Step 6: Final answer
x = 102,567.54
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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.