Home / 198,001.30-296,613.15-135,015.70

Finding the Fourth Proportional to 198,001.30, 296,613.15 and 135,015.70

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Solution

The fourth proportional to 198,001.30, 296,613.15 and 135,015.70 is: 202,258.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,001.30 : 296,613.15 = 135,015.70 : x
  2. Step 2: Convert to fraction form
    198,001.30/296,613.15 = 135,015.70/x
  3. Step 3: Cross multiply
    198,001.30x = 296,613.15 × 135,015.70
  4. Step 4: Simplify right side
    198,001.30x = 40,047,432,076.46
  5. Step 5: Solve for x
    x = 40,047,432,076.46/198,001.30
  6. Step 6: Final answer
    x = 202,258.43

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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.