Finding the Fourth Proportional to 118,973.24, 178,109.24 and 104,210.99
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Solution
The fourth proportional to 118,973.24, 178,109.24 and 104,210.99 is: 156,009.37
Step by Step Solution
- Step 1: Write the proportion equation
118,973.24 : 178,109.24 = 104,210.99 : x - Step 2: Convert to fraction form
118,973.24/178,109.24 = 104,210.99/x - Step 3: Cross multiply
118,973.24x = 178,109.24 × 104,210.99 - Step 4: Simplify right side
118,973.24x = 18,560,939,707.49 - Step 5: Solve for x
x = 18,560,939,707.49/118,973.24 - Step 6: Final answer
x = 156,009.37
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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.