Finding the Fourth Proportional to 155,157.60, 214,140.96 and 94,763.52
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Solution
The fourth proportional to 155,157.60, 214,140.96 and 94,763.52 is: 130,787.99
Step by Step Solution
- Step 1: Write the proportion equation
155,157.60 : 214,140.96 = 94,763.52 : x - Step 2: Convert to fraction form
155,157.60/214,140.96 = 94,763.52/x - Step 3: Cross multiply
155,157.60x = 214,140.96 × 94,763.52 - Step 4: Simplify right side
155,157.60x = 20,292,751,145.78 - Step 5: Solve for x
x = 20,292,751,145.78/155,157.60 - Step 6: Final answer
x = 130,787.99
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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.