Home / 131,704.20-197,536.25-42,957.56

Finding the Fourth Proportional to 131,704.20, 197,536.25 and 42,957.56

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Solution

The fourth proportional to 131,704.20, 197,536.25 and 42,957.56 is: 64,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,704.20 : 197,536.25 = 42,957.56 : x
  2. Step 2: Convert to fraction form
    131,704.20/197,536.25 = 42,957.56/x
  3. Step 3: Cross multiply
    131,704.20x = 197,536.25 × 42,957.56
  4. Step 4: Simplify right side
    131,704.20x = 8,485,675,912.78
  5. Step 5: Solve for x
    x = 8,485,675,912.78/131,704.20
  6. Step 6: Final answer
    x = 64,429.80

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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.