Finding the Fourth Proportional to 121,354.22, 167,465.97 and 70,376.06
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Solution
The fourth proportional to 121,354.22, 167,465.97 and 70,376.06 is: 97,117.31
Step by Step Solution
- Step 1: Write the proportion equation
121,354.22 : 167,465.97 = 70,376.06 : x - Step 2: Convert to fraction form
121,354.22/167,465.97 = 70,376.06/x - Step 3: Cross multiply
121,354.22x = 167,465.97 × 70,376.06 - Step 4: Simplify right side
121,354.22x = 11,785,595,152.68 - Step 5: Solve for x
x = 11,785,595,152.68/121,354.22 - Step 6: Final answer
x = 97,117.31
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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.