Home / 179,972.40-269,440.20-109,988.40

Finding the Fourth Proportional to 179,972.40, 269,440.20 and 109,988.40

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Solution

The fourth proportional to 179,972.40, 269,440.20 and 109,988.40 is: 164,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,972.40 : 269,440.20 = 109,988.40 : x
  2. Step 2: Convert to fraction form
    179,972.40/269,440.20 = 109,988.40/x
  3. Step 3: Cross multiply
    179,972.40x = 269,440.20 × 109,988.40
  4. Step 4: Simplify right side
    179,972.40x = 29,635,296,493.68
  5. Step 5: Solve for x
    x = 29,635,296,493.68/179,972.40
  6. Step 6: Final answer
    x = 164,665.78

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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.