Home / 197,414.40-296,121.60-134,428.80

Finding the Fourth Proportional to 197,414.40, 296,121.60 and 134,428.80

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Solution

The fourth proportional to 197,414.40, 296,121.60 and 134,428.80 is: 201,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,414.40 : 296,121.60 = 134,428.80 : x
  2. Step 2: Convert to fraction form
    197,414.40/296,121.60 = 134,428.80/x
  3. Step 3: Cross multiply
    197,414.40x = 296,121.60 × 134,428.80
  4. Step 4: Simplify right side
    197,414.40x = 39,807,271,342.08
  5. Step 5: Solve for x
    x = 39,807,271,342.08/197,414.40
  6. Step 6: Final answer
    x = 201,643.20

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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.