Finding the Fourth Proportional to 134,893.10, 202,339.65 and 84,810.80
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Solution
The fourth proportional to 134,893.10, 202,339.65 and 84,810.80 is: 127,216.20
Step by Step Solution
- Step 1: Write the proportion equation
134,893.10 : 202,339.65 = 84,810.80 : x - Step 2: Convert to fraction form
134,893.10/202,339.65 = 84,810.80/x - Step 3: Cross multiply
134,893.10x = 202,339.65 × 84,810.80 - Step 4: Simplify right side
134,893.10x = 17,160,587,588.22 - Step 5: Solve for x
x = 17,160,587,588.22/134,893.10 - Step 6: Final answer
x = 127,216.20
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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.