Finding the Fourth Proportional to 117,953.80, 176,930.70 and 94,625.80
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Solution
The fourth proportional to 117,953.80, 176,930.70 and 94,625.80 is: 141,938.70
Step by Step Solution
- Step 1: Write the proportion equation
117,953.80 : 176,930.70 = 94,625.80 : x - Step 2: Convert to fraction form
117,953.80/176,930.70 = 94,625.80/x - Step 3: Cross multiply
117,953.80x = 176,930.70 × 94,625.80 - Step 4: Simplify right side
117,953.80x = 16,742,209,032.06 - Step 5: Solve for x
x = 16,742,209,032.06/117,953.80 - Step 6: Final answer
x = 141,938.70
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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.