Finding the Fourth Proportional to 155,692.51, 214,890.63 and 101,946.31
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Solution
The fourth proportional to 155,692.51, 214,890.63 and 101,946.31 is: 140,708.80
Step by Step Solution
- Step 1: Write the proportion equation
155,692.51 : 214,890.63 = 101,946.31 : x - Step 2: Convert to fraction form
155,692.51/214,890.63 = 101,946.31/x - Step 3: Cross multiply
155,692.51x = 214,890.63 × 101,946.31 - Step 4: Simplify right side
155,692.51x = 21,907,306,782.08 - Step 5: Solve for x
x = 21,907,306,782.08/155,692.51 - Step 6: Final answer
x = 140,708.80
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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.