Finding the Fourth Proportional to 121,536.03, 167,652.32 and 71,225.31
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Solution
The fourth proportional to 121,536.03, 167,652.32 and 71,225.31 is: 98,251.43
Step by Step Solution
- Step 1: Write the proportion equation
121,536.03 : 167,652.32 = 71,225.31 : x - Step 2: Convert to fraction form
121,536.03/167,652.32 = 71,225.31/x - Step 3: Cross multiply
121,536.03x = 167,652.32 × 71,225.31 - Step 4: Simplify right side
121,536.03x = 11,941,088,464.22 - Step 5: Solve for x
x = 11,941,088,464.22/121,536.03 - Step 6: Final answer
x = 98,251.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.