Finding the Fourth Proportional to 118,886.52, 164,080.14 and 73,579.08
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Solution
The fourth proportional to 118,886.52, 164,080.14 and 73,579.08 is: 101,549.49
Step by Step Solution
- Step 1: Write the proportion equation
118,886.52 : 164,080.14 = 73,579.08 : x - Step 2: Convert to fraction form
118,886.52/164,080.14 = 73,579.08/x - Step 3: Cross multiply
118,886.52x = 164,080.14 × 73,579.08 - Step 4: Simplify right side
118,886.52x = 12,072,865,747.47 - Step 5: Solve for x
x = 12,072,865,747.47/118,886.52 - Step 6: Final answer
x = 101,549.49
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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.