Finding the Fourth Proportional to 118,744.24, 163,867.58 and 65,029.63
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Solution
The fourth proportional to 118,744.24, 163,867.58 and 65,029.63 is: 89,741.18
Step by Step Solution
- Step 1: Write the proportion equation
118,744.24 : 163,867.58 = 65,029.63 : x - Step 2: Convert to fraction form
118,744.24/163,867.58 = 65,029.63/x - Step 3: Cross multiply
118,744.24x = 163,867.58 × 65,029.63 - Step 4: Simplify right side
118,744.24x = 10,656,247,771.25 - Step 5: Solve for x
x = 10,656,247,771.25/118,744.24 - Step 6: Final answer
x = 89,741.18
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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.