Home / 198,001.20-296,742.60-79,575.60

Finding the Fourth Proportional to 198,001.20, 296,742.60 and 79,575.60

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Solution

The fourth proportional to 198,001.20, 296,742.60 and 79,575.60 is: 119,259.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,001.20 : 296,742.60 = 79,575.60 : x
  2. Step 2: Convert to fraction form
    198,001.20/296,742.60 = 79,575.60/x
  3. Step 3: Cross multiply
    198,001.20x = 296,742.60 × 79,575.60
  4. Step 4: Simplify right side
    198,001.20x = 23,613,470,440.56
  5. Step 5: Solve for x
    x = 23,613,470,440.56/198,001.20
  6. Step 6: Final answer
    x = 119,259.23

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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.