Finding the Fourth Proportional to 118,135.37, 163,027.01 and 69,739.49
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Solution
The fourth proportional to 118,135.37, 163,027.01 and 69,739.49 is: 96,240.61
Step by Step Solution
- Step 1: Write the proportion equation
118,135.37 : 163,027.01 = 69,739.49 : x - Step 2: Convert to fraction form
118,135.37/163,027.01 = 69,739.49/x - Step 3: Cross multiply
118,135.37x = 163,027.01 × 69,739.49 - Step 4: Simplify right side
118,135.37x = 11,369,420,533.62 - Step 5: Solve for x
x = 11,369,420,533.62/118,135.37 - Step 6: Final answer
x = 96,240.61
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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.