Finding the Fourth Proportional to 118,339.52, 163,329.64 and 69,939.48
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Solution
The fourth proportional to 118,339.52, 163,329.64 and 69,939.48 is: 96,528.95
Step by Step Solution
- Step 1: Write the proportion equation
118,339.52 : 163,329.64 = 69,939.48 : x - Step 2: Convert to fraction form
118,339.52/163,329.64 = 69,939.48/x - Step 3: Cross multiply
118,339.52x = 163,329.64 × 69,939.48 - Step 4: Simplify right side
118,339.52x = 11,423,190,090.19 - Step 5: Solve for x
x = 11,423,190,090.19/118,339.52 - Step 6: Final answer
x = 96,528.95
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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.