Finding the Fourth Proportional to 121,881.04, 182,315.96 and 114,416.08
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Solution
The fourth proportional to 121,881.04, 182,315.96 and 114,416.08 is: 171,149.49
Step by Step Solution
- Step 1: Write the proportion equation
121,881.04 : 182,315.96 = 114,416.08 : x - Step 2: Convert to fraction form
121,881.04/182,315.96 = 114,416.08/x - Step 3: Cross multiply
121,881.04x = 182,315.96 × 114,416.08 - Step 4: Simplify right side
121,881.04x = 20,859,877,464.64 - Step 5: Solve for x
x = 20,859,877,464.64/121,881.04 - Step 6: Final answer
x = 171,149.49
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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.