Finding the Fourth Proportional to 117,748.42, 177,407.82 and 106,516.80
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Solution
The fourth proportional to 117,748.42, 177,407.82 and 106,516.80 is: 160,485.50
Step by Step Solution
- Step 1: Write the proportion equation
117,748.42 : 177,407.82 = 106,516.80 : x - Step 2: Convert to fraction form
117,748.42/177,407.82 = 106,516.80/x - Step 3: Cross multiply
117,748.42x = 177,407.82 × 106,516.80 - Step 4: Simplify right side
117,748.42x = 18,896,913,281.38 - Step 5: Solve for x
x = 18,896,913,281.38/117,748.42 - Step 6: Final answer
x = 160,485.50
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.