Finding the Fourth Proportional to 121,110.84, 167,130.18 and 67,394.70
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Solution
The fourth proportional to 121,110.84, 167,130.18 and 67,394.70 is: 93,003.14
Step by Step Solution
- Step 1: Write the proportion equation
121,110.84 : 167,130.18 = 67,394.70 : x - Step 2: Convert to fraction form
121,110.84/167,130.18 = 67,394.70/x - Step 3: Cross multiply
121,110.84x = 167,130.18 × 67,394.70 - Step 4: Simplify right side
121,110.84x = 11,263,688,342.05 - Step 5: Solve for x
x = 11,263,688,342.05/121,110.84 - Step 6: Final answer
x = 93,003.14
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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.