Finding the Fourth Proportional to 134,690.22, 202,159.96 and 68,177.06
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Solution
The fourth proportional to 134,690.22, 202,159.96 and 68,177.06 is: 102,328.67
Step by Step Solution
- Step 1: Write the proportion equation
134,690.22 : 202,159.96 = 68,177.06 : x - Step 2: Convert to fraction form
134,690.22/202,159.96 = 68,177.06/x - Step 3: Cross multiply
134,690.22x = 202,159.96 × 68,177.06 - Step 4: Simplify right side
134,690.22x = 13,782,671,722.52 - Step 5: Solve for x
x = 13,782,671,722.52/134,690.22 - Step 6: Final answer
x = 102,328.67
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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.