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Finding the Fourth Proportional to 168,114.40, 252,171.60 and 97,255.60

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Solution

The fourth proportional to 168,114.40, 252,171.60 and 97,255.60 is: 145,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,114.40 : 252,171.60 = 97,255.60 : x
  2. Step 2: Convert to fraction form
    168,114.40/252,171.60 = 97,255.60/x
  3. Step 3: Cross multiply
    168,114.40x = 252,171.60 × 97,255.60
  4. Step 4: Simplify right side
    168,114.40x = 24,525,100,260.96
  5. Step 5: Solve for x
    x = 24,525,100,260.96/168,114.40
  6. Step 6: Final answer
    x = 145,883.40

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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.