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Finding the Fourth Proportional to 166,987.20, 250,480.80 and 146,251.20

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Solution

The fourth proportional to 166,987.20, 250,480.80 and 146,251.20 is: 219,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,987.20 : 250,480.80 = 146,251.20 : x
  2. Step 2: Convert to fraction form
    166,987.20/250,480.80 = 146,251.20/x
  3. Step 3: Cross multiply
    166,987.20x = 250,480.80 × 146,251.20
  4. Step 4: Simplify right side
    166,987.20x = 36,633,117,576.96
  5. Step 5: Solve for x
    x = 36,633,117,576.96/166,987.20
  6. Step 6: Final answer
    x = 219,376.80

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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.