Finding the Fourth Proportional to 117,923.68, 162,730.92 and 70,166.08
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Solution
The fourth proportional to 117,923.68, 162,730.92 and 70,166.08 is: 96,826.95
Step by Step Solution
- Step 1: Write the proportion equation
117,923.68 : 162,730.92 = 70,166.08 : x - Step 2: Convert to fraction form
117,923.68/162,730.92 = 70,166.08/x - Step 3: Cross multiply
117,923.68x = 162,730.92 × 70,166.08 - Step 4: Simplify right side
117,923.68x = 11,418,190,751.19 - Step 5: Solve for x
x = 11,418,190,751.19/117,923.68 - Step 6: Final answer
x = 96,826.95
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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.