Finding the Fourth Proportional to 118,955.24, 164,160.34 and 65,239.80
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Solution
The fourth proportional to 118,955.24, 164,160.34 and 65,239.80 is: 90,032.08
Step by Step Solution
- Step 1: Write the proportion equation
118,955.24 : 164,160.34 = 65,239.80 : x - Step 2: Convert to fraction form
118,955.24/164,160.34 = 65,239.80/x - Step 3: Cross multiply
118,955.24x = 164,160.34 × 65,239.80 - Step 4: Simplify right side
118,955.24x = 10,709,787,749.53 - Step 5: Solve for x
x = 10,709,787,749.53/118,955.24 - Step 6: Final answer
x = 90,032.08
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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.