Home / 198,077.40-296,727.30-118,956.60

Finding the Fourth Proportional to 198,077.40, 296,727.30 and 118,956.60

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Solution

The fourth proportional to 198,077.40, 296,727.30 and 118,956.60 is: 178,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,077.40 : 296,727.30 = 118,956.60 : x
  2. Step 2: Convert to fraction form
    198,077.40/296,727.30 = 118,956.60/x
  3. Step 3: Cross multiply
    198,077.40x = 296,727.30 × 118,956.60
  4. Step 4: Simplify right side
    198,077.40x = 35,297,670,735.18
  5. Step 5: Solve for x
    x = 35,297,670,735.18/198,077.40
  6. Step 6: Final answer
    x = 178,201.40

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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.