Finding the Fourth Proportional to 155,754.95, 214,941.87 and 84,135.02
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Solution
The fourth proportional to 155,754.95, 214,941.87 and 84,135.02 is: 116,106.35
Step by Step Solution
- Step 1: Write the proportion equation
155,754.95 : 214,941.87 = 84,135.02 : x - Step 2: Convert to fraction form
155,754.95/214,941.87 = 84,135.02/x - Step 3: Cross multiply
155,754.95x = 214,941.87 × 84,135.02 - Step 4: Simplify right side
155,754.95x = 18,084,137,456.58 - Step 5: Solve for x
x = 18,084,137,456.58/155,754.95 - Step 6: Final answer
x = 116,106.35
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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.