Finding the Fourth Proportional to 96,611.80, 144,917.70 and 73,283.80
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Solution
The fourth proportional to 96,611.80, 144,917.70 and 73,283.80 is: 109,925.70
Step by Step Solution
- Step 1: Write the proportion equation
96,611.80 : 144,917.70 = 73,283.80 : x - Step 2: Convert to fraction form
96,611.80/144,917.70 = 73,283.80/x - Step 3: Cross multiply
96,611.80x = 144,917.70 × 73,283.80 - Step 4: Simplify right side
96,611.80x = 10,620,119,743.26 - Step 5: Solve for x
x = 10,620,119,743.26/96,611.80 - Step 6: Final answer
x = 109,925.70
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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.