Finding the Fourth Proportional to 118,583.08, 163,686.32 and 73,295.80
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Solution
The fourth proportional to 118,583.08, 163,686.32 and 73,295.80 is: 101,173.96
Step by Step Solution
- Step 1: Write the proportion equation
118,583.08 : 163,686.32 = 73,295.80 : x - Step 2: Convert to fraction form
118,583.08/163,686.32 = 73,295.80/x - Step 3: Cross multiply
118,583.08x = 163,686.32 × 73,295.80 - Step 4: Simplify right side
118,583.08x = 11,997,519,773.46 - Step 5: Solve for x
x = 11,997,519,773.46/118,583.08 - Step 6: Final answer
x = 101,173.96
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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.