Home / 90,736.24-125,216.40-50,453.68

Finding the Fourth Proportional to 90,736.24, 125,216.40 and 50,453.68

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Solution

The fourth proportional to 90,736.24, 125,216.40 and 50,453.68 is: 69,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,736.24 : 125,216.40 = 50,453.68 : x
  2. Step 2: Convert to fraction form
    90,736.24/125,216.40 = 50,453.68/x
  3. Step 3: Cross multiply
    90,736.24x = 125,216.40 × 50,453.68
  4. Step 4: Simplify right side
    90,736.24x = 6,317,628,176.35
  5. Step 5: Solve for x
    x = 6,317,628,176.35/90,736.24
  6. Step 6: Final answer
    x = 69,626.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.