Finding the Fourth Proportional to 110,542.16, 165,862.20 and 57,939.08
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Solution
The fourth proportional to 110,542.16, 165,862.20 and 57,939.08 is: 86,934.28
Step by Step Solution
- Step 1: Write the proportion equation
110,542.16 : 165,862.20 = 57,939.08 : x - Step 2: Convert to fraction form
110,542.16/165,862.20 = 57,939.08/x - Step 3: Cross multiply
110,542.16x = 165,862.20 × 57,939.08 - Step 4: Simplify right side
110,542.16x = 9,609,903,274.78 - Step 5: Solve for x
x = 9,609,903,274.78/110,542.16 - Step 6: Final answer
x = 86,934.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.