Finding the Fourth Proportional to 145,933.44, 201,311.52 and 118,739.94
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Solution
The fourth proportional to 145,933.44, 201,311.52 and 118,739.94 is: 163,798.77
Step by Step Solution
- Step 1: Write the proportion equation
145,933.44 : 201,311.52 = 118,739.94 : x - Step 2: Convert to fraction form
145,933.44/201,311.52 = 118,739.94/x - Step 3: Cross multiply
145,933.44x = 201,311.52 × 118,739.94 - Step 4: Simplify right side
145,933.44x = 23,903,717,806.11 - Step 5: Solve for x
x = 23,903,717,806.11/145,933.44 - Step 6: Final answer
x = 163,798.77
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1.5x scale
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.