Finding the Fourth Proportional to 118,202.87, 163,114.26 and 64,484.68
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Solution
The fourth proportional to 118,202.87, 163,114.26 and 64,484.68 is: 88,985.75
Step by Step Solution
- Step 1: Write the proportion equation
118,202.87 : 163,114.26 = 64,484.68 : x - Step 2: Convert to fraction form
118,202.87/163,114.26 = 64,484.68/x - Step 3: Cross multiply
118,202.87x = 163,114.26 × 64,484.68 - Step 4: Simplify right side
118,202.87x = 10,518,370,859.54 - Step 5: Solve for x
x = 10,518,370,859.54/118,202.87 - Step 6: Final answer
x = 88,985.75
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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.