Home / 197,988.20-297,180-109,283.48

Finding the Fourth Proportional to 197,988.20, 297,180 and 109,283.48

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Solution

The fourth proportional to 197,988.20, 297,180 and 109,283.48 is: 164,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,988.20 : 297,180 = 109,283.48 : x
  2. Step 2: Convert to fraction form
    197,988.20/297,180 = 109,283.48/x
  3. Step 3: Cross multiply
    197,988.20x = 297,180 × 109,283.48
  4. Step 4: Simplify right side
    197,988.20x = 32,476,864,586.40
  5. Step 5: Solve for x
    x = 32,476,864,586.40/197,988.20
  6. Step 6: Final answer
    x = 164,034.34

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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.