Finding the Fourth Proportional to 118,953.24, 164,157.57 and 65,237.79
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Solution
The fourth proportional to 118,953.24, 164,157.57 and 65,237.79 is: 90,029.30
Step by Step Solution
- Step 1: Write the proportion equation
118,953.24 : 164,157.57 = 65,237.79 : x - Step 2: Convert to fraction form
118,953.24/164,157.57 = 65,237.79/x - Step 3: Cross multiply
118,953.24x = 164,157.57 × 65,237.79 - Step 4: Simplify right side
118,953.24x = 10,709,277,078.57 - Step 5: Solve for x
x = 10,709,277,078.57/118,953.24 - Step 6: Final answer
x = 90,029.30
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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.