Finding the Fourth Proportional to 117,731.70, 176,597.55 and 51,203.70
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Solution
The fourth proportional to 117,731.70, 176,597.55 and 51,203.70 is: 76,805.55
Step by Step Solution
- Step 1: Write the proportion equation
117,731.70 : 176,597.55 = 51,203.70 : x - Step 2: Convert to fraction form
117,731.70/176,597.55 = 51,203.70/x - Step 3: Cross multiply
117,731.70x = 176,597.55 × 51,203.70 - Step 4: Simplify right side
117,731.70x = 9,042,447,970.94 - Step 5: Solve for x
x = 9,042,447,970.94/117,731.70 - Step 6: Final answer
x = 76,805.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.