Finding the Fourth Proportional to 121,267.22, 167,337.91 and 67,551.09
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Solution
The fourth proportional to 121,267.22, 167,337.91 and 67,551.09 is: 93,214.45
Step by Step Solution
- Step 1: Write the proportion equation
121,267.22 : 167,337.91 = 67,551.09 : x - Step 2: Convert to fraction form
121,267.22/167,337.91 = 67,551.09/x - Step 3: Cross multiply
121,267.22x = 167,337.91 × 67,551.09 - Step 4: Simplify right side
121,267.22x = 11,303,857,675.74 - Step 5: Solve for x
x = 11,303,857,675.74/121,267.22 - Step 6: Final answer
x = 93,214.45
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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.