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Finding the Fourth Proportional to 168,040.60, 252,060.90 and 166,874.20

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Solution

The fourth proportional to 168,040.60, 252,060.90 and 166,874.20 is: 250,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,040.60 : 252,060.90 = 166,874.20 : x
  2. Step 2: Convert to fraction form
    168,040.60/252,060.90 = 166,874.20/x
  3. Step 3: Cross multiply
    168,040.60x = 252,060.90 × 166,874.20
  4. Step 4: Simplify right side
    168,040.60x = 42,062,461,038.78
  5. Step 5: Solve for x
    x = 42,062,461,038.78/168,040.60
  6. Step 6: Final answer
    x = 250,311.30

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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.