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Finding the Fourth Proportional to 166,809.60, 250,265.60 and 131,763.20

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Solution

The fourth proportional to 166,809.60, 250,265.60 and 131,763.20 is: 197,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,809.60 : 250,265.60 = 131,763.20 : x
  2. Step 2: Convert to fraction form
    166,809.60/250,265.60 = 131,763.20/x
  3. Step 3: Cross multiply
    166,809.60x = 250,265.60 × 131,763.20
  4. Step 4: Simplify right side
    166,809.60x = 32,975,796,305.92
  5. Step 5: Solve for x
    x = 32,975,796,305.92/166,809.60
  6. Step 6: Final answer
    x = 197,685.24

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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.