Finding the Fourth Proportional to 121,247.16, 181,906.74 and 62,124.36
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Solution
The fourth proportional to 121,247.16, 181,906.74 and 62,124.36 is: 93,204.99
Step by Step Solution
- Step 1: Write the proportion equation
121,247.16 : 181,906.74 = 62,124.36 : x - Step 2: Convert to fraction form
121,247.16/181,906.74 = 62,124.36/x - Step 3: Cross multiply
121,247.16x = 181,906.74 × 62,124.36 - Step 4: Simplify right side
121,247.16x = 11,300,839,802.19 - Step 5: Solve for x
x = 11,300,839,802.19/121,247.16 - Step 6: Final answer
x = 93,204.99
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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.