Finding the Fourth Proportional to 118,237.92, 163,186.80 and 114,349.92
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Solution
The fourth proportional to 118,237.92, 163,186.80 and 114,349.92 is: 157,820.75
Step by Step Solution
- Step 1: Write the proportion equation
118,237.92 : 163,186.80 = 114,349.92 : x - Step 2: Convert to fraction form
118,237.92/163,186.80 = 114,349.92/x - Step 3: Cross multiply
118,237.92x = 163,186.80 × 114,349.92 - Step 4: Simplify right side
118,237.92x = 18,660,397,525.06 - Step 5: Solve for x
x = 18,660,397,525.06/118,237.92 - Step 6: Final answer
x = 157,820.75
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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.