Home / 197,426.40-296,139.60-134,440.80

Finding the Fourth Proportional to 197,426.40, 296,139.60 and 134,440.80

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Solution

The fourth proportional to 197,426.40, 296,139.60 and 134,440.80 is: 201,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,426.40 : 296,139.60 = 134,440.80 : x
  2. Step 2: Convert to fraction form
    197,426.40/296,139.60 = 134,440.80/x
  3. Step 3: Cross multiply
    197,426.40x = 296,139.60 × 134,440.80
  4. Step 4: Simplify right side
    197,426.40x = 39,813,244,735.68
  5. Step 5: Solve for x
    x = 39,813,244,735.68/197,426.40
  6. Step 6: Final answer
    x = 201,661.20

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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.