Home / 90,626.58-135,942.66-43,246.80

Finding the Fourth Proportional to 90,626.58, 135,942.66 and 43,246.80

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Solution

The fourth proportional to 90,626.58, 135,942.66 and 43,246.80 is: 64,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,626.58 : 135,942.66 = 43,246.80 : x
  2. Step 2: Convert to fraction form
    90,626.58/135,942.66 = 43,246.80/x
  3. Step 3: Cross multiply
    90,626.58x = 135,942.66 × 43,246.80
  4. Step 4: Simplify right side
    90,626.58x = 5,879,085,028.49
  5. Step 5: Solve for x
    x = 5,879,085,028.49/90,626.58
  6. Step 6: Final answer
    x = 64,871.53

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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.